CN219754756U - Drainage structure of electronic vacuum pump - Google Patents

Abstract

The utility model relates to the technical field of vacuum pumps and discloses a drainage structure of an electronic vacuum pump, which comprises a vacuum pump mechanism, wherein the vacuum pump mechanism comprises a vacuum pump body and an exhaust pipe, the vacuum pump body is fixedly connected with the exhaust pipe, the exhaust pipe mechanism comprises a first thread groove, the exhaust pipe is provided with the first thread groove, the first thread groove is movably connected with a first thread head, the first thread head is fixedly connected with a drain pipe body, a rotary valve groove is arranged in the drain pipe body, the rotary valve groove is fixedly connected with a rotary valve, the drain pipe body is fixedly connected with a blocking block, the right-angle type design of the drain pipe body can enable the drain pipe to form a ladder to be waterproof, sand and stone are not easy to enter the exhaust pipe and less in water flow, when the water flow enters the drain pipe body, the rotary valve is of a single-port structure and can drain water without water flow entering, and the air port is positioned above the rotary valve, so that the water inlet prevention effect of the device is enhanced.

Description

Drainage structure of electronic vacuum pump

Technical Field

The utility model relates to the technical field of vacuum pumps, in particular to a drainage structure of an electronic vacuum pump.

Background

For example, patent document CN217415730U discloses an electronic vacuum pump with a drainage device, which relates to the technical field of electronic vacuum pumps and comprises: motor, suction nozzle, working chamber subassembly, exhaust duct and sound insulation subassembly, motor upper end an organic whole is equipped with the base, set up the ponding groove on the base, the lower extreme of base is equipped with exhaust duct, exhaust duct with the ponding groove is linked together, one side of base is equipped with the suction nozzle, the upper end of base is equipped with the working chamber subassembly, the upper end of base is equipped with sound insulation subassembly, just the working chamber subassembly is located the base with in the cavity that forms between the sound insulation subassembly. After the vehicle is subjected to reverse water absorption by the wading vacuum pump, accumulated water in the pump cavity can be effectively discharged, and meanwhile, the tightness of a motor bearing is ensured when the water in the pump cavity is stored, so that the service life of the wading vacuum pump is prolonged; meanwhile, the stepped exhaust port structure can ensure that larger foreign matters cannot be sucked into the pump cavity reversely.

Although the above-mentioned device is provided with a mechanism for draining the electronic vacuum pump, the structure is complex, and the effect of preventing water from entering is poor, so that the working efficiency is low, and therefore, a draining structure of the electronic vacuum pump is needed to solve the above-mentioned problems.

Disclosure of Invention

In order to overcome the above-mentioned problems, an object of the present utility model is to provide a drainage structure of an electronic vacuum pump, so as to solve the problems of the above-mentioned prior art that the structure is complex and the effect of preventing water from entering is poor, resulting in lower working efficiency.

The utility model provides the following technical scheme: the utility model provides a drainage structure of electronic vacuum pump, includes vacuum pump mechanism, vacuum pump mechanism includes vacuum pump body and blast pipe, fixedly connected with blast pipe on the vacuum pump body, drain pipe mechanism includes first screw thread groove, first screw thread groove has been seted up on the blast pipe, swing joint has first screw thread head on the first screw thread groove, the overhead fixedly connected with drain pipe body of first screw thread, the internal rotation valve groove that has seted up of drain pipe, fixedly connected with rotation valve on the rotation valve groove, fixedly connected with blocks on the drain pipe body, install the drain pipe body on the blast pipe through first screw thread groove and first screw thread head connection, the right angle design of the drain pipe body enables the drain pipe body formation ladder waterproof, makes the gravel be difficult for entering into the blast pipe and rivers get into less, and in rivers got into the drain pipe body, rotation valve is single-port structure, can carry out the drainage and can not make rivers get into, and the ventilation port is located rotation valve top, has strengthened the water inlet prevention effect of device, and this method has realized the device prevent water inlet and has improved work efficiency and drainage stability through simple structural design.

Further, the pull rod block groove is formed in the drain pipe body, the pull rod block is fixedly connected to the pull rod block groove, the spring groove is formed in the pull rod block, the spring is fixedly connected to the spring groove, the pull rod is fixedly connected to the spring, the connecting rod is fixedly connected to the pull rod, the second thread head is fixedly connected to the connecting rod, the second thread groove is movably connected to the second thread head, the second thread groove is formed in the filter head, the filter head is arranged on the drain pipe body, water entering the drain pipe body is filtered, particles such as sand in water flow are prevented from entering the drain pipe body to cause the drain pipe body to be blocked, the drain pipe body cannot drain, exhaust and inhale, a certain waterproof effect is achieved, and the working stability of the device is improved.

Further, the rubber ring is fixedly connected to the rotary valve and the filter head, the rotary valve and the filter head are installed in the drain pipe body and have a certain gap with the inner wall of the drain pipe body, water flow can enter from the gap, the rotary valve and the filter head can be tightly attached to the inner wall of the drain pipe body through the rubber ring, and water inlet resistance of the device is enhanced.

Further, the blocking block and the rubber ring are fixedly connected with small magnets, the upper part of the rotary valve is provided with a hole, the upper part of the rotary valve is lighter than the lower part of the rotary valve, the rotary valve can return to the position more accurately through the small magnets in the blocking block and the rubber ring, the water inlet prevention effect of the rotary valve is exerted, and the working stability of the device is improved.

Further, fixed connection pull rod on the spring makes the filter head can strike off granule such as remaining sand and stone of drain pipe body mouth of pipe through pushing down the pull rod, also conveniently clears up the filter head oral area, prevents that it from causing the influence to the exhaust and the work of breathing in of the vacuum pump body, has improved the stability of device work.

Further, second screw thread groove swing joint second screw thread head makes the filter head install on the connecting rod through rotating the filter head, conveniently installs the filter head, also conveniently clears up and changes the filter head dismantlement that the sand and stone blockked up, has improved the flexibility of use of device.

The utility model has the technical effects and advantages that:

1. according to the utility model, the first thread groove, the first thread head, the drain pipe body, the rotary valve groove, the rotary valve and the blocking block are arranged, the drain pipe body is installed on the exhaust pipe through the connection of the first thread groove and the first thread head, the right-angle design of the drain pipe body enables the drain pipe body to form a ladder for preventing water, sand and stone are not easy to enter the exhaust pipe and less water flow enters the drain pipe body, when the water flow enters the drain pipe body, the rotary valve is of a single-port structure, water can be discharged without entering the water flow, and the air port is positioned above the rotary valve, so that the water-proof effect of the device is enhanced.

2. According to the utility model, the rubber ring is arranged, the rotary valve and the filter head are arranged in the drain pipe body and have a certain gap with the inner wall of the drain pipe body, water flow can enter from the gap, the rotary valve and the filter head can be tightly attached to the inner wall of the drain pipe body through the rubber ring, and the water inlet resistance of the device is enhanced.

Drawings

Fig. 1 is a front perspective view of the overall structure of the present utility model.

Fig. 2 is an expanded schematic view of the overall structure of the present utility model.

Fig. 3 is a schematic cross-sectional view of the overall structure of the present utility model.

Fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present utility model.

Fig. 5 is an enlarged schematic view of the structure at B in fig. 3 according to the present utility model.

The reference numerals are: 100. a vacuum pump mechanism; 110. a vacuum pump body; 111. an exhaust pipe; 200. a drain pipe mechanism; 210. a first thread groove; 211. a first thread head; 212. a drain pipe body; 213. rotating the valve slot; 214. rotating the valve; 215. a blocking block; 216. a pull rod block groove; 217. a pull rod block; 218. a pull rod; 219. a spring; 220. a spring groove; 221. a connecting rod; 222. a second thread head; 223. a second thread groove; 224. a filter head; 225. a rubber ring.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Embodiment one:

referring to fig. 1, 2, 3 and 4 of the drawings in the specification, the utility model provides a drainage structure of an electronic vacuum pump, which comprises a vacuum pump mechanism 100, wherein the vacuum pump mechanism 100 comprises a vacuum pump body 110 and an exhaust pipe 111, the vacuum pump body 110 is fixedly connected with the exhaust pipe 111, the exhaust pipe mechanism 200 comprises a first thread groove 210, the exhaust pipe 111 is provided with the first thread groove 210, the first thread groove 210 is movably connected with a first thread head 211, the first thread head 211 is fixedly connected with a drain pipe body 212, a rotary valve groove 213 is formed in the drain pipe body 212, the rotary valve groove 213 is fixedly connected with a rotary valve 214, the drain pipe body 212 is fixedly connected with a blocking block 215, and small magnets are fixedly connected in the blocking block 215 and the rubber ring 225.

Working principle: the first thread head 211 is connected with the first thread groove 210 through rotating the drain pipe body 212, the drain pipe body 212 is installed on the exhaust pipe 111, when a vehicle is waded, water flows enter the drain pipe body 212, sand and stones are not easy to enter, the water flows enter the drain pipe body 212, the right-angle structure of the drain pipe body 212 enables the sand and stones to be difficult to enter, before the water flows reach the rotary valve 214, the blocking block 215 blocks the rotary valve 214 to open, the water flows cannot enter the exhaust pipe 111, the vent hole is formed in the upper portion of the rotary valve 214, so that the water flows enter the exhaust pipe 111 to be limited, when the vacuum pump body 110 is used for draining and exhausting, the rotary valve 214 is opened, the upper portion of the rotary valve 214 is light, the bottom of the rotary valve 214 is heavy, the position is automatically restored after the drainage and the exhaust are finished, and the small magnets in the blocking block 215 and the rubber ring 225 enable the position of the rotary valve 214 to be more accurate, and the water inflow preventing function of the rotary valve is exerted.

Embodiment two:

referring to fig. 3, 4 and 5 of the drawings in the specification, the second embodiment differs from the first embodiment in that: the drain pipe body 212 is provided with a pull rod block groove 216, the pull rod block groove 216 is fixedly connected with a pull rod block 217, the pull rod block 217 is provided with a spring groove 220, the spring groove 220 is fixedly connected with a spring 219, the spring 219 is fixedly connected with a pull rod 218, the pull rod 218 is fixedly connected with a connecting rod 221, the connecting rod 221 is fixedly connected with a second thread head 222, the second thread head 222 is movably connected with a second thread groove 223, the second thread groove 223 is provided with a filter head 224, the blocking block 215 and the rubber ring 225 are fixedly connected with small magnets, the spring 219 is fixedly connected with the pull rod 218, and the second thread groove 223 is movably connected with the second thread head 222.

Working principle: when the vehicle wades, contain gravel and particulate matters in the rivers, filter head 224 filters gravel and particulate matters in the rivers, prevent that it from getting into and leading to the fact the drain body 212 to internal jam of drain body 212 in, make spring 219 shrink through pushing down pull rod 218, filter head 224 extrusion drain body 212, filter head 224 is scraped remaining gravel and particulate matters of drain body 212 mouth of pipe inner wall, also conveniently clear up filter head 224 head, filter head 224 passes through second screw thread head 222 and second screw thread groove 223 to be connected and install on connecting rod 221, conveniently advance the installation, also conveniently dismantle filter head 224 and clear up or change, rubber circle 225 enables rotary valve 214 and filter head 224 and drain body 212 inner wall laminating inseparable, prevent that the rivers from flowing into blast pipe 111 from the gap.

Claims (6)

1. The utility model provides a drainage structure of electron vacuum pump, includes vacuum pump mechanism (100), vacuum pump mechanism (100) include vacuum pump body (110) and blast pipe (111), fixedly connected with blast pipe (111) on vacuum pump body (110), its characterized in that:

the novel water draining pipe comprises a water draining pipe mechanism (200), wherein the water draining pipe mechanism (200) comprises a first thread groove (210), the air draining pipe (111) is provided with the first thread groove (210), a first thread head (211) is movably connected to the first thread groove (210), a water draining pipe body (212) is fixedly connected to the first thread head (211), a rotary valve groove (213) is formed in the water draining pipe body (212), a rotary valve (214) is fixedly connected to the rotary valve groove (213), and a blocking block (215) is fixedly connected to the water draining pipe body (212).

2. The drain structure of an electronic vacuum pump according to claim 1, wherein: the novel water draining pipe comprises a draining pipe body (212), wherein a pull rod block groove (216) is formed in the draining pipe body, a pull rod block (217) is fixedly connected to the pull rod block groove (216), a spring groove (220) is formed in the pull rod block (217), a spring (219) is fixedly connected to the spring groove (220), a pull rod (218) is fixedly connected to the spring (219), a connecting rod (221) is fixedly connected to the pull rod (218), a second thread head (222) is fixedly connected to the connecting rod (221), a second thread groove (223) is movably connected to the second thread head (222), and the second thread groove (223) is formed in a filter head (224).

3. The drain structure of an electronic vacuum pump according to claim 1, wherein: and rubber rings (225) are fixedly connected to the rotary valve (214) and the filter head (224).

4. The drain structure of an electronic vacuum pump according to claim 1, wherein: the blocking block (215) and the rubber ring (225) are fixedly connected with small magnets.

5. The drain structure of an electronic vacuum pump according to claim 2, wherein: and a pull rod (218) is fixedly connected to the spring (219).

6. The drain structure of an electronic vacuum pump according to claim 2, wherein: the second thread groove (223) is movably connected with the second thread head (222).