CN210928033U - Connecting wire structure of heating pipe of explosion-proof electric heater - Google Patents

Abstract

The utility model relates to the technical field of heater production, in particular to a connecting line structure of a heating pipe of an explosion-proof electric heater, which is convenient for users to accurately connect the heating pipe with a pipe sleeve and improves the practicability; the heating device comprises a heater, a sealing gasket, a pipe sleeve, an air inlet pipe, an air outlet pipe, four groups of first bolts and four groups of nuts, wherein the heater is electrically connected with the outside, the right end of the heater is provided with a heating pipe, a resistance wire is arranged inside the heating pipe, the edge of the left end of the heater is provided with a male flange, the right end of the male flange is provided with four groups of positioning grooves, the four groups of positioning grooves are uniformly arrayed at the right end of the male flange, the sealing gasket is embedded at the right end of the male flange, the sealing gasket is coaxial with the male flange, four groups of bolt through holes are symmetrically arranged at the right end of the sealing gasket and the left end of the male flange, a cavity is arranged inside the pipe sleeve.

Description

Connecting wire structure of heating pipe of explosion-proof electric heater

Technical Field

The utility model relates to a technical field of heater production especially relates to a connection line structure of explosion-proof electric heater heating pipe.

Background

Often see electric heater's shadow of body in the industrial production process, need assemble a plurality of parts in electric heater production process, current electric heater heating pipe when with the pipe box connection, need fix electric heating pipe and pipe box respectively earlier, then aim at the direction and carry out the spiral shell dress and connect, the operation is complicated, be not convenient for connect, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a be convenient for accurate connecting heating pipe of user and pipe box improves the connection line structure of explosion-proof electric heater heating pipe of practicality.

The utility model discloses a connecting wire structure of an explosion-proof electric heater heating pipe, which comprises a heater, a sealing gasket, a pipe sleeve, an air inlet pipe, an air outlet pipe, four groups of first bolts and four groups of nuts, wherein the heater is electrically connected with the outside, the right end of the heater is provided with the heating pipe, a resistance wire is arranged inside the heating pipe, the left end edge of the heater is provided with a male flange, the right end of the male flange is provided with four groups of positioning grooves, the four groups of positioning grooves are uniformly arrayed at the right end of the male flange, the sealing gasket is embedded and installed at the right end of the male flange, the sealing gasket is coaxial with the male flange, the right end of the sealing gasket is symmetrically provided with four groups of bolt through holes, the four groups of bolt through holes all penetrate through the right end of the sealing gasket and the left end of the, the top end of the air inlet pipe is provided with a second flange, the air outlet pipe is fixedly arranged at the right end of the pipe sleeve, the input end of the air outlet pipe is communicated with the cavity of the pipe sleeve, the right end of the air outlet pipe is provided with a third flange, the left end of the pipe sleeve is provided with an opening, the left end opening of the pipe sleeve is communicated with the cavity of the pipe sleeve, the heating pipe is inserted into the cavity of the pipe sleeve from the left end opening of the pipe sleeve, the left end edge of the pipe sleeve is provided with a female flange, the left end of the female flange is provided with a groove for clamping and sleeving a male flange, the right end of the groove is provided with four groups of positioning bosses respectively corresponding to the four groups of positioning grooves, the male flange is inserted into the groove at the left end of the female flange, the four groups of positioning bosses are respectively inserted into the four groups of positioning grooves, the left ends of, and the right ends of the four groups of nuts are tightly attached to the left end of the male flange.

The utility model discloses a connection line structure of explosion-proof electric heater heating pipe still includes hoop and multiunit second bolt, and the left end of hoop is provided with the through-hole that runs through hoop left end and right-hand member, and the hoop cover is established in the heater outside, and the right-hand member of hoop all pastes tightly with the left end of female flange and the right-hand member of public flange, and multiunit second bolt all passes the border position of hoop and the spiral shell dress inserts the left end to female flange.

The utility model discloses a connecting wire structure of explosion-proof electric heater heating pipe, the right-hand member of heater are provided with the insulating layer, and the insulating layer imbeds to the pipe box left end opening in.

The utility model discloses a connecting wire structure of explosion-proof electric heater heating pipe, even the straggly multiunit water conservancy diversion baffle that is provided with in the cavity of pipe box all is provided with the hole that supplies the heating pipe to pass on the multiunit water conservancy diversion baffle.

The utility model discloses a connecting wire structure of explosion-proof electric heater heating pipe, the left end of second bolt is provided with the butterfly knob.

The utility model discloses a connecting wire structure of explosion-proof electric heater heating pipe still includes four group's packing rings, and four group's packing rings are established respectively at the left part of four first bolts of group, and the left end of four group's packing rings is pasted tightly with the right-hand member of four nut of group respectively, and the right-hand member of four group's packing rings is pasted tightly with the left end of public flange respectively.

The utility model discloses a connecting wire structure of explosion-proof electric heater heating pipe still includes filter screen and multiunit third bolt, and the edge of second flange is passed on the top of multiunit third bolt and passes the filter screen and be connected the second flange with the output in external air source.

The utility model discloses a connecting wire structure of explosion-proof electric heater heating pipe, sealed pad adopt high temperature resistance graphite material.

Compared with the prior art, the beneficial effects of the utility model are that: the four groups of positioning grooves are formed in the male flange, the four groups of positioning bosses are arranged on the female flange, the four groups of positioning bosses are respectively inserted into the four groups of positioning grooves, a user can conveniently and accurately find the installation direction when the heater and the pipe sleeve are butted, the condition that gas in a pipe sleeve cavity is leaked from the joint of the female flange and the male flange is reduced through the installation of the sealing gasket, the user can conveniently and accurately connect the heating pipe and the pipe sleeve, and the practicability is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of section A of FIG. 1;

FIG. 3 is a schematic diagram of a right-side view of a male flange;

FIG. 4 is a schematic view of the attachment of the screen to the second flange;

in the drawings, the reference numbers: 1. a heater; 2. a male flange; 3. heating a tube; 4. a positioning groove; 5. a gasket; 6. a bolt through hole; 7. pipe sleeve; 8. an air inlet pipe; 9. a second flange; 10. an air outlet pipe; 11. a third flange; 12. a female flange; 13. positioning the boss; 14. a first bolt; 15. a nut; 16. a hoop; 17. a second bolt; 18. a thermal insulation layer; 19. a flow guide clapboard; 20. a butterfly knob; 21. a gasket; 22. filtering with a screen; 23. and a third bolt.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the utility model discloses a connecting line structure of an explosion-proof electric heater heating pipe, which comprises a heater 1, a sealing gasket 5, a pipe sleeve 7, an air inlet pipe 8, an air outlet pipe 10, four groups of first bolts 14 and four groups of nuts 15, the heater 1 is electrically connected with the outside, the right end of the heater 1 is provided with a heating pipe 3, a resistance wire is arranged inside the heating pipe 3, the left end edge of the heater 1 is provided with a male flange 2, the right end of the male flange 2 is provided with four groups of positioning grooves 4, the four groups of positioning grooves 4 are uniformly arrayed at the right end of the male flange 2, the sealing gasket 5 is embedded at the right end of the male flange 2, the sealing gasket 5 is coaxial with the male flange 2, the right end of the sealing gasket 5 is symmetrically provided with four groups of bolt through holes 6, the four groups of bolt through holes 6 all penetrate through the right end, the output end of the air inlet pipe 8 is communicated with the cavity of the pipe sleeve 7, the input end of the air inlet pipe 8 is communicated with an external air source, the top end of the air inlet pipe 8 is provided with a second flange 9, the air outlet pipe 10 is fixedly arranged at the right end of the pipe sleeve 7, the input end of the air outlet pipe 10 is communicated with the cavity of the pipe sleeve 7, the right end of the air outlet pipe 10 is provided with a third flange 11, the left end of the pipe sleeve 7 is provided with an opening, the left end of the pipe sleeve 7 is communicated with the cavity of the pipe sleeve 7, the heating pipe 3 is inserted into the cavity of the pipe sleeve 7 from the left end opening of the pipe sleeve 7, the left end edge of the pipe sleeve 7 is provided with a female flange 12, the left end of the female flange 12 is provided with a groove for a ferrule male flange 2, the right end of the groove is provided with four groups of positioning bosses 13, the left ends of the four groups of first bolts 14 respectively penetrate through the female flange 12 and are inserted into the four groups of bolt through holes 6 to extend out to the left end of the male flange 2, the four groups of nuts 15 are respectively sleeved on the four groups of first bolts 14 in a screw-mounting manner, and the right ends of the four groups of nuts 15 are tightly attached to the left end of the male flange 2; through set up four group positioning groove 4 on male flange 2 and set up four group location bosss 13 on female flange 12, make four group location bosss 13 insert respectively to four group positioning groove 4 in, the user of being convenient for accurately finds the installation direction when butt joint heater 1 and pipe box 7, reduce the condition emergence that the gas in the pipe box 7 cavity was revealed by female flange 12 and male flange 2 junction through the sealed pad 5 of installation, the user of being convenient for accurately connects heating pipe and pipe box, improves the practicality.

The utility model discloses a connecting wire structure of explosion-proof electric heater heating pipe, still include hoop 16 and multiunit second bolt 17, the left end of hoop 16 is provided with the through-hole that runs through the left end and the right-hand member of hoop 16, hoop 16 cover is established in the heater 1 outside, and the right-hand member of hoop 16 all pastes tightly with the left end of female flange 12 and the right-hand member of public flange 2, multiunit second bolt 17 all passes the marginal part of hoop 16 and the spiral shell dress inserts to the left end of female flange 12; by installing the hoop 16, the situation that the male flange 2 is separated from the female flange 12 when the four groups of first bolts 14 are loosened is reduced, and the practicability is improved.

The utility model discloses a connecting wire structure of an explosion-proof electric heater heating pipe, the right end of a heater 1 is provided with a heat insulation layer 18, and the heat insulation layer 18 is embedded into an opening at the left end of a pipe sleeve 7; through setting up insulating layer 18, reduce heating pipe 3 and give heater 1 with heat transfer when heating, lead to the inside electronic component of heater 1 to be heated the condition emergence of ageing with higher speed, improve the practicality.

In the connecting wire structure of the heating pipe of the explosion-proof electric heater, a plurality of groups of flow guide partition plates 19 are uniformly arranged in the cavity of the pipe sleeve 7 in a staggered manner, and holes for the heating pipe 3 to pass through are formed in the plurality of groups of flow guide partition plates 19; through setting up multiunit water conservancy diversion baffle 19, increase the time that the air flows in pipe box 7 cavity, make heating pipe 3 more abundant to the heating of air, improve the practicality.

In the utility model, the left end of the second bolt 17 is provided with a butterfly knob 20; the second bolt 17 is conveniently screwed by a user by arranging the butterfly knob 20, and convenience is improved.

The utility model discloses a connecting wire structure of explosion-proof electric heater heating pipe, still include four group's packing rings 21, four group's packing rings 21 are established respectively in the left part of four group's first bolts 14, the left end of four group's packing rings 21 is pasted tightly with the right-hand member of four group's nut 15 respectively, the right-hand member of four group's packing rings 21 is pasted tightly with the left end of male flange 2 respectively; by installing the four sets of washers 21, the occurrence of the slipping between the four sets of nuts 15 and the four sets of first bolts 14 is reduced, and the stability is improved.

The utility model discloses a connecting wire structure of an explosion-proof electric heater heating pipe, which also comprises a filter screen 22 and a plurality of groups of third bolts 23, wherein the top ends of the plurality of groups of third bolts 23 pass through the edge of the second flange 9 and pass through the filter screen 22 to connect the second flange 9 with the output end of an external air source; the installation of the filter screen 22 reduces the occurrence of the situation that dust and the like in the outside air enters the cavity of the pipe sleeve 7, and improves the practicability.

In the utility model, the sealing gasket 5 is made of high temperature resistant graphite material; the sealing gasket 5 is made of high-temperature-resistant graphite, so that the situation that the sealing gasket 5 is heated and melted is reduced, and the practicability is improved.

The utility model discloses a connecting wire structure of explosion-proof electric heater heating pipe, it is at the during operation, at first insert public flange 2 in the recess of female flange 12 left end, four group's location bosss 13 insert respectively to four group's positioning groove 4 in, four group's first bolt 14's left end passes female flange 12 respectively and inserts to stretching out to public flange 2's left end in four group's bolt through-hole 6, four group's nut 15 and four group's packing ring 21 are the spiral shell suit respectively and establish on four group's first bolt 14, four group's packing ring 21's left end pastes tightly with four group's nut 15's right-hand member respectively, four group's packing ring 21's right-hand member pastes tightly with public flange 2's left end respectively, it all pastes tightly can with female flange 12's left end and public flange 2's right-hand member to twist multi.

The utility model discloses a connecting wire structure of an explosion-proof electric heater heating pipe, the installation mode, the connection mode or the setting mode are common mechanical modes, and the connecting wire structure can be implemented as long as the beneficial effects can be achieved; the utility model discloses a heater of connecting wire structure of explosion-proof electric heater heating pipe is purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A connecting line structure of a heating pipe of an explosion-proof electric heater is characterized by comprising a heater (1), a sealing gasket (5), a pipe sleeve (7), an air inlet pipe (8), an air outlet pipe (10), four groups of first bolts (14) and four groups of nuts (15), wherein the heater (1) is electrically connected with the outside, the right end of the heater (1) is provided with a heating pipe (3), a resistance wire is arranged inside the heating pipe (3), the left end edge of the heater (1) is provided with a male flange (2), the right end of the male flange (2) is provided with four groups of positioning grooves (4), the four groups of positioning grooves (4) are uniformly arrayed at the right end of the male flange (2), the sealing gasket (5) is embedded at the right end of the male flange (2), the sealing gasket (5) and the male flange (2) are coaxial, the right end of the sealing gasket (5) is symmetrically provided with four groups of bolt through holes (6), and the four groups of bolt, a cavity is arranged in the pipe sleeve (7), an air inlet pipe (8) is fixedly arranged at the left part of the top end of the pipe sleeve (7), the output end of the air inlet pipe (8) is communicated with the cavity of the pipe sleeve (7), the input end of the air inlet pipe (8) is communicated with an external air source, a second flange (9) is arranged at the top end of the air inlet pipe (8), an air outlet pipe (10) is fixedly arranged at the right end of the pipe sleeve (7), the input end of the air outlet pipe (10) is communicated with the cavity of the pipe sleeve (7), a third flange (11) is arranged at the right end of the air outlet pipe (10), an opening is arranged at the left end of the pipe sleeve (7), the opening at the left end of the pipe sleeve (7) is communicated with the cavity of the pipe sleeve (7), a heating pipe (3) is inserted into the cavity of the pipe sleeve (7) from the opening at the left end of the pipe sleeve (7), a female, four groups of positioning bosses (13) corresponding to the four groups of positioning grooves (4) are arranged at the right end of the groove respectively, the male flange (2) is inserted into the groove at the left end of the female flange (12), the four groups of positioning bosses (13) are inserted into the four groups of positioning grooves (4) respectively, the left ends of the four groups of first bolts (14) penetrate through the female flange (12) respectively and are inserted into the four groups of bolt through holes (6) to extend out to the left end of the male flange (2), the four groups of nuts (15) are sleeved on the four groups of first bolts (14) in a screw-assembling mode respectively, and the right ends of the four groups of nuts (15) are attached to the left end of the male flange (2).

2. The connecting line structure of the heating pipe of the explosion-proof electric heater according to claim 1, characterized by further comprising a hoop (16) and a plurality of sets of second bolts (17), wherein the left end of the hoop (16) is provided with through holes penetrating through the left end and the right end of the hoop (16), the hoop (16) is sleeved outside the heater (1), the right end of the hoop (16) is tightly attached to the left end of the female flange (12) and the right end of the male flange (2), and the plurality of sets of second bolts (17) pass through the edge of the hoop (16) and are screwed into the left end of the female flange (12).

3. The connecting wire structure of a heating pipe of an explosion-proof electric heater as claimed in claim 2, characterized in that the right end of the heater (1) is provided with a heat insulating layer (18), and the heat insulating layer (18) is embedded into the opening at the left end of the pipe sleeve (7).

4. The connecting wire structure of the heating pipe of the explosion-proof electric heater according to claim 3, characterized in that a plurality of groups of flow guiding partition plates (19) are uniformly arranged in the cavity of the pipe sleeve (7) in a staggered manner, and holes for the heating pipe (3) to pass through are arranged on each group of flow guiding partition plates (19).

5. The connecting wire structure of an explosion-proof electric heater heating pipe as claimed in claim 4, characterized in that the left end of the second bolt (17) is provided with a butterfly knob (20).

6. The connecting wire structure of the heating pipe of the explosion-proof electric heater as claimed in claim 5, characterized by further comprising four sets of washers (21), wherein the four sets of washers (21) are respectively sleeved on the left parts of the four sets of first bolts (14), the left ends of the four sets of washers (21) are respectively attached to the right ends of the four sets of nuts (15), and the right ends of the four sets of washers (21) are respectively attached to the left ends of the male flanges (2).

7. The connecting wire structure of the heating pipe of the explosion-proof electric heater as claimed in claim 6, characterized in that it further comprises a filter screen (22) and a plurality of sets of third bolts (23), wherein the top ends of the plurality of sets of third bolts (23) pass through the edge of the second flange (9) and pass through the filter screen (22) to connect the second flange (9) with the output end of the outside air source.

8. The connecting wire structure of the heating pipe of the explosion-proof electric heater as claimed in claim 7, characterized in that the sealing gasket (5) is made of high temperature resistant graphite.

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