CN214333073U - Electricity-proof wall structure for electric water heater - Google Patents

Abstract

The application relates to an electricity-proof wall structure for an electric water heater, which relates to the technical field of electric water heaters; the outer tube comprises an outer tube and a core tube inserted in the outer tube, wherein a plurality of convex ribs are arranged on the outer side wall of the core tube along the circumferential direction of the outer tube, an insertion rod is arranged at the lower end of one of the convex ribs, a first insertion block is arranged at one end of the insertion rod, which is far away from the convex ribs, an insertion hole for the insertion of the first insertion block is formed in the outer tube, a limiting hole for the insertion of the first insertion block is formed in the outer tube, the limiting hole is communicated with the insertion hole, a baffle is arranged on the outer surface of the outer tube, which is close to the limiting hole, and a abdicating hole for the insertion rod to be inserted is formed in the baffle; this application has the core pipe of realizing dismantling, is convenient for regularly change the core pipe and clears up, guarantees to prevent the effect of the rivers circulation speed in the electric wall.

Description

Electricity-proof wall structure for electric water heater

Technical Field

The application relates to the technical field of electric water heaters, in particular to an electricity-proof wall structure for an electric water heater.

Background

In order to prevent the electric leakage of the electric water heater, an electricity-proof wall is generally arranged at the water outlet pipe and the water inlet pipe of the electric water heater, and the electricity-proof wall extends the water resistance by extending the water flow channel, so that the current is correspondingly reduced under the condition of unchanged voltage.

The Chinese patent with the related publication number of CN212390631U discloses an electricity-proof wall structure for an electric water heater, which comprises an outer tube, an inner tube and a core tube, wherein the two ends of the outer tube are respectively provided with a first tube orifice and a second tube orifice, the core tube is coaxially and internally arranged in the outer tube, and one end of the core tube is communicated with the first tube orifice; the inner pipe is embedded in the outer pipe from the second pipe orifice and sleeved outside the core pipe; a water flowing cavity is arranged in the inner pipe towards the core pipe, a water flowing groove is arranged outside the inner pipe, a water outlet pipe orifice communicated with the water flowing groove is arranged on one side of the inner pipe close to the second pipe orifice, and the water outlet pipe orifice is communicated with the second pipe orifice; the water flow enters the core pipe from the first pipe orifice, then flows into the water flow cavity from the core pipe, enters the water flowing groove from the opening section of the water flow cavity, finally flows to the water outlet pipe orifice from the water flowing groove, and then flows out from the second pipe orifice; thereby forming the water flow direction in the participated state, increasing the water resistance and achieving the purpose of preventing the electric leakage.

In view of the above-mentioned related technologies, the inventor believes that scale is easily generated in the channel of the core pipe for water flow to affect the water flow speed, and the core pipe is fixedly connected with the outer pipe, so that the core pipe is not convenient to detach for replacement and cleaning, and therefore needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the core tube of the electricity-proof wall in the related technology is inconvenient to disassemble and replace, the application provides an electricity-proof wall structure for an electric water heater.

The application provides a prevent electric wall structure that electric water heater used adopts following technical scheme:

the utility model provides an electricity-proof wall structure that electric water heater was used, includes the outer tube and inserts the core pipe of locating in the outer tube, the core pipe lateral wall is provided with the protruding muscle of a plurality of, one of them along its circumference protruding muscle lower extreme is provided with the inserted bar, the one end that protruding muscle department was kept away from to the inserted bar is provided with first inserted block, the inside jack that supplies first inserted block to insert the establishment that is provided with of outer tube, the inside spacing hole that supplies first inserted block to insert the establishment that is provided with of outer tube, spacing hole is linked together with the jack, the surface that the outer tube is close to spacing hole department is provided with the baffle, set up on the baffle and supply the inserted bar to insert the hole of stepping down of establishing.

Through adopting above-mentioned technical scheme, insert the outer tube with the core pipe inside and insert the inserted block in the jack, then rotate the core pipe in order to change the inserted block to spacing downthehole, the core pipe receives blockking of baffle and can't remove along its length direction this moment, can't break away from the outer tube promptly to realized being connected with dismantling of outer tube with the core pipe, be convenient for regularly change and wash the core pipe.

Optionally, an inner tube is inserted into the outer tube, the inner tube is sleeved outside the core tube, a fixture block is arranged inside the inner tube, and a second insertion block inserted into the insertion hole is arranged at the lower end of the fixture block.

Through adopting above-mentioned technical scheme, when the inner tube inserted the outer tube inside and cup jointed in the outside of core pipe, insert the jack with the second inserted block to play the ground effect of splining to the core pipe, further optimize the steadiness that core pipe and outer tube link to each other.

Optionally, the end wall of the second insert block, which is away from the fixture block, is provided with a guide surface for facilitating the second insert block to be quickly inserted into the socket.

Through adopting above-mentioned technical scheme, the resistance when second inserted block tip inserts the jack inside can be reduced in the setting of spigot to improve the installation effectiveness of inner tube.

Optionally, a sealing ring is embedded in the outer side wall of the second insertion block, which is away from the guide surface, and the sealing ring is tightly attached to the inner side wall of the insertion hole.

Through adopting above-mentioned technical scheme to realize the sealed of jack, reduce the condition that the rivers flow into the jack inside and long-pending stay in the jack that appears.

Optionally, the side wall of the sealing ring close to the abdicating hole is provided with a rubber strip, and the outer side wall of the rubber strip is tightly attached to the inner side wall of the abdicating hole.

Through adopting above-mentioned technical scheme, realize the sealed to the hole of stepping down through the rubber strip to avoid rivers to flow into the jack through the hole of stepping down and step down downthehole and stay in the jack and the downthehole condition of stepping down.

Optionally, a fixing rod is inserted into the rubber strip.

Through adopting above-mentioned technical scheme, because the rubber strip texture is soft, easily the in-process that inserts the hole of stepping down appears upwarping and can't insert the downthehole condition of stepping down completely, the setting of dead lever can increase the hardness of rubber strip to make the rubber strip can stabilize and insert and locate to step down downthehole.

Optionally, the inserted bar lateral wall is provided with the rubber pad, the rubber pad lateral wall closely laminates with the downthehole wall of stepping down, the rubber pad lateral wall laminates with the rubber strip terminal wall.

Through adopting above-mentioned technical scheme, the setting up of rubber pad has increased the inserted bar and has stepped down the friction between the hole to make first inserted block can stably insert locate spacing downthehole, avoid appearing first inserted block and remove towards the direction that is close to the jack, thereby the condition in the second inserted block inserts the jack.

Optionally, the outer tube lateral wall has seted up the screw thread annular, screw thread annular internal thread is connected with the screw thread ring, one side butt that the screw thread ring was kept away from screw thread annular department is at the inner tube end wall.

By adopting the technical scheme, after the inner pipe is inserted into the outer pipe, the thread of the thread ring is screwed into the thread ring groove, and at the moment, one side of the thread ring, which is far away from the thread ring groove, abuts against the end wall of the inner pipe, so that the inner pipe is stably inserted into the outer pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the core pipe is inserted into the outer pipe, the inserting block is inserted into the inserting hole, then the core pipe is rotated to rotate the inserting block to the limiting hole, and at the moment, the core pipe is blocked by the baffle plate and cannot move along the length direction of the core pipe, namely cannot be separated from the outer pipe, so that the detachable connection of the core pipe and the outer pipe is realized, and the core pipe is convenient to replace and clean regularly;

2. when the inner pipe is inserted into the outer pipe and sleeved outside the core pipe, the second inserting block is inserted into the inserting hole so as to play a role in stopping rotation of the core pipe, and the stability of connection between the core pipe and the outer pipe is further optimized;

3. the arrangement of the rubber strips and the sealing ring rings improves the sealing performance of the yielding holes and the jacks and reduces accumulated water in the yielding holes and the jacks.

Drawings

FIG. 1 is a schematic view of an electricity preventing wall structure for embodying an electric water heater in the embodiment.

Fig. 2 is a sectional view showing a connection relationship between the outer pipe, the inner pipe, and the core pipe in the embodiment.

Fig. 3 is an exploded view illustrating a positional relationship between the outer tube, the inner tube and the core tube in the embodiment.

Fig. 4 is a partial sectional view for showing the connection relationship among the first insert block, the second insert block and the jack in the embodiment.

Fig. 5 is a partially enlarged view of the structure of part a in fig. 3.

Fig. 6 is a partially enlarged view of the structure of part B in fig. 3.

Description of reference numerals: 1. an outer tube; 11. a water inlet; 12. a water outlet; 13. a receiving ring plate; 131. a jack; 132. a limiting hole; 133. a baffle plate; 1331. a hole of abdication; 14. annular ring; 141. a thread ring groove; 142. a threaded collar; 2. an inner tube; 21. a water inlet hole; 22. a drain hole; 23. a clamping block; 231. a second insert block; 2311. a guide surface; 232. sealing the ring; 233. fixing the rod; 2331. a rubber strip; 24. a circulation tank; 25. a through hole; 3. a core tube; 31. a rib is protruded; 311. a notch; 312. inserting a rod; 3121. a rubber pad; 313. a first insert block; 32. and (4) a groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses an electricity-proof wall structure for an electric water heater. Referring to fig. 1, the electricity-proof wall structure for the electric water heater comprises an outer tube 1, wherein one end of the outer tube 1 is provided with a water inlet 11, the other end of the outer tube 1 is provided with a water outlet 12, the outer side wall of the outer tube 1 is provided with external threads at two ends, the outer tube 1 is screwed on an inner container of the electric water heater through one end of the outer tube, and the other end of the outer tube is screwed on a water pipe through one end of the outer tube.

Referring to fig. 2 and 3, the core tube 3 is inserted into the outer tube 1 from the water outlet 12, the outer side wall of the core tube 3 is integrally formed with a plurality of ribs 31 along the circumferential direction of the core tube, the ribs 31 are arranged along the length direction of the core tube 3, the number of the ribs 31 in the embodiment is 4, and grooves 32 for water flow to pass through are formed between the adjacent ribs 31.

Referring to fig. 2 and 3, an inner tube 2 is further inserted into the outer tube 1, the inner tube 2 is sleeved outside the core tube 3, one end of the inner tube 2 is a water inlet 21, the other end of the inner tube is a water outlet 22, a circulation groove 24 for water to pass through is formed in the outer side wall of the inner tube 2, a through hole 25 communicated with the circulation groove 24 is formed in the side wall of the inner tube 2 close to the water outlet 22, and the through hole 25 is communicated with the water outlet 22; the inner side wall of the inner tube 2 on the outer side wall of the inner tube 2 is integrally formed with the clamping blocks 23 inserted into the grooves 32, the number of the clamping blocks 23 in this embodiment is 2, the grooves 32 which are not connected with the clamping blocks 23 can allow water to pass through, and dotted arrows in the figure are flow paths of the water.

Referring to fig. 2 and 3, an annular hole 14 is formed in the end wall of the outer tube 1 close to the water outlet 12, and the annular hole 14 is communicated with the water outlet 12; a thread ring groove 141 is formed on the outer surface of the outer pipe 1 close to the ring hole 14 along the circumferential direction, a thread ring 142 is connected to the thread ring groove 141 in an internal thread mode, and the inner diameter of the thread ring 142 is smaller than that of the water outlet 12; when the end of the inner tube 2 close to the water inlet hole 21 is completely inserted into the outer tube 1 from the water outlet 12 of the outer tube 1, the threaded ring 142 is screwed into the threaded ring groove 141, and the side of the threaded ring 142 away from the threaded ring groove 141 abuts against the end wall of the inner tube 2, so as to prevent the inner tube 2 from separating from the outer tube 1.

Referring to fig. 4 and 5, a receiving ring plate 13 is integrally formed inside the outer pipe 1 near the water inlet 11, a notch 311 is formed in an end wall of one of the convex ribs 31 on the core pipe 3 near the receiving ring plate 13, an insertion rod 312 is welded on the end wall of the convex rib 31 near the notch 311, and a first insertion block 313 is welded on one end of the insertion rod 312 far away from the convex rib 31; the upper surface of the receiving ring plate 13 is provided with an insertion hole 131 for the first insertion block 313 to be inserted, the upper surface of the receiving ring plate 13 is further provided with a limiting hole 132 for the first insertion block 313 to be inserted, the limiting hole 132 is communicated with the insertion hole 131, the upper surface of the receiving ring plate 13 close to the limiting hole 132 is integrally formed with a baffle 133, and the baffle 133 is provided with a yielding hole 1331 for the receiving rod to be inserted.

Referring to fig. 4 and 5, a rubber pad 3121 is fixedly bonded to the outer side wall of the inserted link 312; when the core pipe 3 is inserted into the outer part of the inner pipe 2 from the water outlet 12, the first inserting block 313 is inserted into the inserting hole 131, the core pipe 3 is rotated in the circumferential direction, the first inserting block 313 is inserted into the limiting hole 132, the inserting rod 312 and the rubber pad 3121 are inserted into the abdicating hole 1331, the outer side wall of the rubber pad 3121 is tightly attached to the inner side wall of the abdicating hole 1331, the inserting block is attached to the baffle 133 at the moment, and on the premise that the core pipe 3 is detachably connected with the outer pipe 1, the possibility that the core pipe 3 is separated from the outer pipe 1 is reduced.

Referring to fig. 4 and 6, a second insert 231 capable of being inserted into the insertion hole 131 is welded on the end wall of the fixture block 23 near the insertion hole 131, a sealing ring 232 is embedded on the outer side wall of the second insert 231 near the fixture block 23, a fixing rod 233 is fixedly bonded on the outer side wall of the sealing ring 232, and a rubber strip 2331 is fixedly sleeved on the outer side wall of the fixing rod 233; one end of the second inserting block 231, which is far away from the fixture block 23, is provided with a guide surface 2311; when the inner tube 2 is inserted into the outer tube 1, the second insert 231 is driven by the guide surface 2311 to be inserted into the insertion hole 131 quickly, the fixing rod 233 drives the rubber strip 2331 to be inserted into the abdicating hole 1331, when the second insert 231 is completely inserted into the insertion hole 131, the outer side wall of the sealing ring 232 is tightly attached to the inner wall of the insertion hole 131, and the outer side wall of the rubber strip 2331 is tightly attached to the inner wall of the abdicating hole 1331.

The implementation principle of an electricity-proof wall structure for an electric water heater in the embodiment of the application is as follows: firstly, the core tube 3 is inserted into the outer tube 1 from the water outlet 12 of the outer tube 1, the first insertion block 313 is inserted into the insertion hole 131, then the core tube 3 is rotated in the circumferential direction so that the first insertion block 313 moves from the insertion hole 131 to the abdicating hole 1331, and at this time, the insertion rod 312 and the rubber pad 3121 outside the insertion rod are inserted into the abdicating hole 1331, so as to realize the connection between the core tube 3 and the outer tube 1.

Then insert the water inlet 21 of the inner tube 2 into the outer tube 1 from the water outlet 12 of the outer tube 1, and insert the second insert 231 into the insertion hole 131, at this time, the rubber strip 2331 is inserted into the abdicating hole 1331, the two fixture blocks 23 are respectively inserted into the grooves 32 near the two fixture blocks, at this time, the threaded ring 142 is screwed into the threaded ring groove 141, and the threaded ring 142 abuts against the end wall of the inner tube 2, so as to realize the stable connection between the outer tube 1 and the core tube 3.

And then screwing the end part of the outer tube 1 close to the water inlet 11 into the inner container of the electric water heater, screwing one end of the outer tube 1 close to the water outlet 12 onto the water outlet pipe, enabling water discharged from the electric water heater to enter the core tube 3 through the water inlet 11 of the outer tube 1, moving the water from the interior of the core tube 3 into the groove 32 which is not connected with the fixture block 23, circulating the water into the circulation groove 24 outside the inner tube 2 through the groove 32, then discharging the water from the circulation groove 24 through the through hole 25 and the water discharge hole 22, and finally discharging the water from the water outlet 12 into the external water pipe through the water discharge hole 22.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an electricity-proof wall structure that electric water heater used, includes outer tube (1) and inserts core pipe (3) of locating in outer tube (1), its characterized in that: core pipe (3) lateral wall is provided with a plurality of protruding muscle (31) along its circumference, one of them protruding muscle (31) lower extreme is provided with inserted bar (312), the one end that protruding muscle (31) department was kept away from in inserted bar (312) is provided with first inserted block (313), outer tube (1) inside is provided with and supplies first inserted block (313) to insert jack (131) of establishing, outer tube (1) inside is provided with and supplies first inserted block (313) to insert spacing hole (132) of establishing, spacing hole (132) are linked together with jack (131), the surface that outer tube (1) was close to spacing hole (132) department is provided with baffle (133), set up on baffle (133) and supply inserted bar (312) to insert the hole of stepping down (1331) of establishing.

2. The electricity preventing wall structure for an electric water heater as claimed in claim 1, wherein: the inner pipe (2) is inserted into the outer pipe (1), the inner pipe (2) is sleeved outside the core pipe (3), a clamping block (23) is arranged inside the inner pipe (2), and a second inserting block (231) inserted into the inserting hole (131) is arranged at the lower end of the clamping block (23).

3. The electricity preventing wall structure for an electric water heater as claimed in claim 2, wherein: the end wall of the second inserting block (231) departing from the clamping block (23) is provided with a guide surface (2311) which is convenient for the second inserting block (231) to be quickly inserted into the inserting hole (131).

4. The electricity preventing wall structure for an electric water heater as claimed in claim 3, wherein: the outer side wall of the second plug block, which is far away from the guide surface (2311), is embedded with a sealing ring (232), and the sealing ring (232) is tightly attached to the inner side wall of the insertion hole (131).

5. The electricity preventing wall structure for an electric water heater as claimed in claim 4, wherein: the lateral wall that sealed ring circle (232) are close to abdicating hole (1331) department is provided with rubber strip (2331), rubber strip (2331) lateral wall and abdicating hole (1331) inside wall closely laminate.

6. The electricity preventing wall structure for an electric water heater as claimed in claim 5, wherein: the fixing rod (233) is inserted into the rubber strip (2331).

7. The electricity preventing wall structure for an electric water heater as claimed in claim 5, wherein: the outer side wall of the inserted bar (312) is provided with a rubber pad (3121), the outer side wall of the rubber pad (3121) is tightly attached to the inner wall of the abdicating hole (1331), and the outer side wall of the rubber pad (3121) is attached to the end wall of the rubber strip (2331).

8. The electricity preventing wall structure for an electric water heater as claimed in claim 1, wherein: the outer tube (1) lateral wall has seted up screw thread annular groove (141), screw thread annular groove (141) female connection has screw thread ring (142), one side butt that screw thread ring (142) kept away from screw thread annular groove (141) department is at inner tube (2) end wall.

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