CN210320665U

CN210320665U - Preheating pipeline for heater

Info

Publication number: CN210320665U
Application number: CN201921012933.7U
Authority: CN
Inventors: 潘郁宁
Original assignee: Shaoguan Yaolong Technology Co Ltd
Current assignee: Shaoguan Yaolong Technology Co Ltd
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-04-14
Anticipated expiration: 2029-06-29

Abstract

The utility model discloses a preheating pipeline for a heater, which comprises a first straight pipe, a second straight pipe and a bent pipe, wherein the two ends of the bent pipe are respectively provided with the first straight pipe and the second straight pipe, one end of the first straight pipe, which is close to the bent pipe, is welded with a stopper, the front, the back, the top and the bottom of the inner wall of the first straight pipe are all provided with L-shaped grooves, a stay bar is penetrated in the L-shaped grooves, and the outer wall of the stay bar is sleeved with a stop block. The internal structure of the water heater is further protected, and the service life of the water heater is further prolonged.

Description

Preheating pipeline for heater

Technical Field

The utility model relates to a water heater technical field, in particular to preheating pipe for heater.

Background

At present, the water heaters commonly used by people are as follows: gas water heater, electric water heater, solar water heater. Although gas water heaters and electric water heaters have the advantages of weather resistance and convenient use, the cost for burning hot water is high, the energy consumption is large, the gas water heaters and the electric water heaters are gradually replaced by solar water heaters under the situation that the current energy sources are gradually tightened, and the solar water heaters have the defect that the gas water heaters cannot meet the use requirement due to the weather resistance.

However, in the prior art, the connection mode between the preheating pipelines for the existing heater is mostly a threaded connection mode, and the connection mode can be loosened due to vibration and further water leakage can occur.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a preheat pipeline for heater.

In order to solve the technical problem, the utility model discloses a technical scheme's basic thinking is, a preheat pipeline for heater, including first straight tube, second straight tube and return bend, the both ends of return bend are provided with first straight tube and second straight tube respectively, structure on the second straight tube is the same with the structure on the first straight tube, the one end welding that first straight tube is close to the return bend has the stopper, the L shape groove has all been seted up to front, the back, top and the bottom of first straight tube inner wall, it has the vaulting pole to run through in the L shape groove, the outward appearance wall cover of vaulting pole is equipped with the dog, the top welding that the dog is close to first straight tube inner wall one end has the rectangle fixed block.

As a further description of the above technical solution:

first round hole has been seted up to the inner wall in L shape groove, the bottom welding of first round hole inner wall has the telescopic link, the telescopic link has the ejector pad with the welding of first round hole back of the body end mutually, the outward appearance wall cover of telescopic link is equipped with reset spring.

As a further description of the above technical solution:

the bottom welding of L shape inslot wall has the gag lever post, the outward appearance wall cover of gag lever post is equipped with the push pedal, the welding of bottom surface center department of push pedal has first spring.

As a further description of the above technical solution:

the first straight tube outer surface wall is close to one side of the L-shaped groove and is provided with a second round hole, the bottom of the inner wall of the second round hole is welded with a second spring, and one end, far away from the second round hole, of the second spring is welded with a clamping block.

As a further description of the above technical solution:

the elbow pipe is close to first straight tube one side and has seted up first trepanning, the inner wall in first trepanning is laminated with the exterior wall of first straight tube mutually, the inner wall in first trepanning has seted up the second trepanning corresponding with the stopper.

As a further description of the above technical solution:

the outer surface wall of the elbow pipe is provided with a second clamping groove corresponding to the stop block, the bottom of the inner wall of the second clamping groove is provided with a first annular groove, the outer surface wall of the elbow pipe is provided with a first clamping groove corresponding to the clamping block, and the bottom of the inner wall of the first clamping groove is provided with a second annular groove.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the utility model discloses in, aim at the second trepanning in the return bend with the stopper of first straight tube earlier and carry out threaded connection, after rotating, the fixture block enters into first draw-in groove under the effect of second spring, the dog enters into the second draw-in groove under the effect of the first spring of side reset spring and bottom, make fixed more firm between first straight tube and the return bend with this, inseparable, can not take place to become flexible because of vibrations, fine prevention the problem of water leakage, further the inner structure of water heater has been protected, and then the life of water heater is improved.

Drawings

Fig. 1 is a top view structural diagram of a preheating pipe for a heater according to the present invention;

fig. 2 is an enlarged view of a region a of a top view structure of a preheating pipe for a heater according to the present invention;

fig. 3 is an enlarged view of a B region of a top view structure of a preheating pipe for a heater according to the present invention;

fig. 4 is an enlarged view of a C-region of a downward-looking structure of a preheating pipe for a heater according to the present invention.

In the figure: 1. a first straight pipe; 101. a second straight pipe; 2. a first trepan boring; 3. a first annular groove; 4. a second annular groove; 5. a second trepan boring; 6. bending the pipe; 7. a first card slot; 8. a second card slot; 801. a limiting block; 9. a rectangular fixed block; 10. a push block; 11. a telescopic rod; 12. a return spring; 13. a first circular hole; 14. a stopper; 15. an L-shaped slot; 16. a stay bar; 17. a limiting rod; 18. a first spring; 19. pushing the plate; 20. a clamping block; 21. a second circular hole; 22. a second spring.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The utility model provides a preheating pipeline for heater, including first straight tube 1, second straight tube 101 and return bend 6, the both ends of return bend 6 are provided with first straight tube 1 and second straight tube 101 respectively, structure on the second straight tube 101 is the same with the structure on the first straight tube 1, first straight tube 1 is close to the one end welding of return bend 6 and has stopper 801, the front of 1 inner wall of first straight tube, the back, L shape groove 15 has all been seted up to top and bottom, it has vaulting pole 16 to run through in the L shape groove 15, the outward appearance wall cover of vaulting pole 16 is equipped with dog 14, dog 14 is close to the effective lug of the one end welding of 1 outer surface wall of first straight tube, dog 14 has rectangle fixed block 9 near the top welding of 1 inner wall one end of first straight tube, rectangle fixed block 9.

The inner wall of the L-shaped groove 15 is provided with a first round hole 13, the bottom of the inner wall of the first round hole 13 is welded with a telescopic rod 11, the end of the telescopic rod 11 opposite to the first round hole 13 is welded with a push block 10, the back of the push block 10 and the telescopic rod 11 is jointed with the outer wall of the rectangular fixed block 9, the outer wall of the telescopic rod 11 is sleeved with a return spring 12, two ends of the return spring 12 are respectively welded with the push block 10 and the first round hole 13, the bottom of the inner wall of the L-shaped groove 15 is welded with a limit rod 17, the outer wall of the limit rod 17 is sleeved with a push plate 19, the top surface of the push plate 19 is jointed with the bottom surface of a stop block 14, the center of the bottom surface of the push plate 19 is welded with a first spring 18, the bottom of the first spring 18 is welded with the inner wall of the L-shaped groove 15, one side of the outer wall of the first straight pipe 1, which is close to the, one end of the second spring 22, which is far away from the second round hole 21, is welded with the fixture block 20, one side of the bent pipe 6, which is close to the first straight pipe 1, is provided with a first trepanning 2, the inner wall of the first trepanning 2 is attached to the outer wall of the first straight pipe 1, the inner wall of the first trepanning 2 is provided with a second trepanning 5 corresponding to the stopper 801, the inner wall of the second trepanning 5 is in threaded connection with the outer wall of the stopper 801, the outer wall of the bent pipe 6 is provided with a second clamping groove 8 corresponding to the stopper 14, the inner wall of the second clamping groove 8 is attached to the outer wall of the stopper 14, the bottom of the inner wall of the second clamping groove 8 is provided with a first annular groove 3, the outer wall of the bent pipe 6 is provided with a first clamping groove 7 corresponding to the fixture block 20, the inner wall of the.

The working principle is as follows: firstly, a limiting block 801 on a first straight pipe 1 is aligned with a second trepan boring 5 in an elbow 6 to rotate, so that the outer surface wall of the limiting block 801 is in threaded connection with the inner wall of the second trepan boring 5, when the threaded connection is finished, the first straight pipe 1 is rotated properly, a clamping block 20 in a second round hole 21 on the first straight pipe 1 is attached to the inner wall of a second annular groove 4 under the action of a second spring 22 until the outer surface wall of the clamping block 20 is attached to the inner wall of a first clamping groove 7 on the inner wall of the elbow 6, at the moment, a pushing block 10 pushes a rectangular fixing block 9 in an L-shaped groove 15 under the action of a telescopic rod 11 and a return spring 12, the rectangular fixing block 9 drives a stopping block 14 through a supporting rod 16 when moving, and simultaneously a pushing plate 19 at the bottom of the inner wall of the L-shaped groove 15 is pushed under the action of the first spring 18 until the top of the stopping block 14 is attached to the inner wall of the second clamping groove, the second straight pipe 101 is installed by the same method, when the first straight pipe 1 and the second straight pipe 101 need to be disassembled, the stopper 14 and the fixture block 20 are pressed towards the elbow 6 until the top of the stopper 14 is separated from the inner wall of the second clamping groove 8 and the outer surface wall of the fixture block 20 is separated from the inner wall of the first clamping groove 7, the first straight pipe 1 is rotated, the limiting block 801 on the first straight pipe 1 is separated from the inner wall of the second trepanning 5 on the inner wall of the elbow 6, the first straight pipe 1 is pulled towards the first straight pipe 1 until the outer surface wall of the first straight pipe 1 is separated from the inner wall of the first trepanning 2 on the inner wall of the elbow 6.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a preheating pipeline for heater, includes first straight tube (1), second straight tube (101) and return bend (6), its characterized in that: the utility model discloses a bent pipe, including return bend (6), return bend (6) and L-shaped groove (15), the both ends of return bend (6) are provided with first straight tube (1) and second straight tube (101) respectively, the one end welding that first straight tube (1) is close to return bend (6) has stopper (801), L-shaped groove (15) have all been seted up to front, back, top and the bottom of first straight tube (1) inner wall, it has vaulting pole (16) to run through in L-shaped groove (15), the outward appearance wall cover of vaulting pole (16) is equipped with dog (14), the top welding that dog (14) are close to first straight tube (1) inner wall.

2. A preheat tube for a heater in accordance with claim 1, wherein: first round hole (13) have been seted up to the inner wall in L shape groove (15), telescopic link (11) have been welded to the bottom of first round hole (13) inner wall, telescopic link (11) and first round hole (13) end welding mutually have ejector pad (10), the outward appearance wall cover of telescopic link (11) is equipped with reset spring (12).

3. A preheat tube for a heater in accordance with claim 1, wherein: the welding of the bottom of L shape groove (15) inner wall has gag lever post (17), the outward appearance wall cover of gag lever post (17) is equipped with push plate (19), the welding of the bottom surface center department of push plate (19) has first spring (18).

4. A preheat tube for a heater in accordance with claim 1, wherein: second round hole (21) have all been seted up to one side that first straight tube (1) outward appearance wall is close to L shape groove (15), the bottom welding of second round hole (21) inner wall has second spring (22), the one end welding that second round hole (21) was kept away from in second spring (22) has fixture block (20).

5. A preheat tube for a heater in accordance with claim 1, wherein: bent pipe (6) are close to first straight tube (1) one side and have seted up first trepanning (2), the inner wall of first trepanning (2) is laminated with the outward appearance wall of first straight tube (1) mutually, second trepanning (5) corresponding with stopper (801) have been seted up to the inner wall of first trepanning (2).

6. A preheating duct for a heater according to claim 1 or 4, wherein: the outer wall of the elbow pipe (6) is provided with a second clamping groove (8) corresponding to the stop block (14), the bottom of the inner wall of the second clamping groove (8) is provided with a first annular groove (3), the outer wall of the elbow pipe (6) is provided with a first clamping groove (7) corresponding to the clamping block (20), and the bottom of the inner wall of the first clamping groove (7) is provided with a second annular groove (4).