CN215111264U - Compensator for heating pipeline - Google Patents

Abstract

The utility model discloses a compensator that heating pipeline used, including the bellows, the both ends of bellows all communicate there is the connecting pipe, two the mounting groove has all been seted up on the connecting pipe, two all articulated in the mounting groove have the connecting rod. The utility model discloses in through bellows intercommunication both ends connecting pipe, can make in its heating pipeline when pressure too big impact the bellows and reduce the pressure in the heating pipeline, prevent that its heating pipeline from breaking, can make the connecting rod make two sections connecting pipes keep the intercommunication throughout in skew and dislocation when its heating pipeline takes place the skew dislocation, and the connecting rod can slowly reset under the elastic action of first rubber block, when its heating pipeline is because of the expend with heat and contract with cold when the temperature, can make two connecting pipes drive two sliding sleeves and slide extrusion second springs on the slide bar, prevent that its heating pipeline from breaking often because of the expend with heat and contract with cold phenomenon, and can slowly reset under the elastic action of first spring and second spring.

Description

Compensator for heating pipeline

Technical Field

The utility model relates to a compensator technical field especially relates to a compensator that heating pipeline used.

Background

The compensator for heating pipeline can protect heating pipeline from breaking, and is also called expansion joint or expansion joint, and is formed from corrugated pipe (an elastic element) and end pipe, support, flange and guide pipe, etc. which are formed into its working main body.

The compensator is often needed to be used in the connection of a heating pipeline, but most of the existing compensators can only deal with the telescopic deformation of the heating pipeline, the compensator is very easy to break when the connection part of two sections of heating pipelines inclines or misplaces, the replacement of the compensator is time-consuming and labor-consuming, and a large amount of resources can be wasted, so that the compensator for the heating pipeline is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a compensator for a heating pipeline.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a compensator for a heating pipeline comprises a corrugated pipe, wherein two ends of the corrugated pipe are communicated with connecting pipes, two connecting pipes are provided with mounting grooves, connecting rods are hinged in the two mounting grooves, sliding sleeves are fixed at the top ends of the two connecting rods, sliding rods are sleeved in the two sliding sleeves in a sliding manner, limiting blocks are arranged at two ends of each sliding rod, a first spring is arranged between the two limiting blocks and the two sliding sleeves, a second spring is arranged between the two sliding sleeves, the sliding rods are positioned in the first spring and the second spring, connecting blocks are fixed at the tops of the two connecting pipes, mounting plates are fixed at the end parts of the two connecting blocks, through holes are formed in the mounting plates, bearings are arranged in the through holes, positive and negative bidirectional lead screws are mounted on inner rings of the bearings, inner thread blocks are sleeved on two sections of threaded rods of the positive and negative bidirectional lead screws through threads, two both sides that the internal thread piece is in opposite directions all are fixed with the fixed plate, and are two pairs fixed plate both sides in opposite directions all are provided with the second block rubber, and are two pairs the side at two connecting pipes is fixed respectively to the second block rubber, and is two pairs the sleeve is all installed to the opposite face of fixed plate, and is two pairs all the slip has cup jointed the guide bar in the sleeve, and is two pairs the tip of guide bar all fixes the outer wall at the bellows, and is two pairs telescopic outer wall all is fixed with the third spring, and is two pairs the outer wall at the bellows is all fixed to the tip of third spring, and is two pairs the guide bar is located two pairs of third springs respectively.

Preferably, a first rubber block is fixed on the inner wall of the mounting groove and fixed on the side face of the connecting rod.

Preferably, two opposite ends of the connecting pipes are communicated with connecting flanges, and the side faces of the connecting flanges are provided with sealing rings.

Preferably, the end part of the positive and negative bidirectional screw rod is provided with a rotating disc, and the rotating disc is provided with anti-skid grains.

Preferably, a fixed block is fixed at the end part of the guide rod and fixed on the outer wall of the corrugated pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1: the utility model discloses in through bellows intercommunication both ends connecting pipe, can make in its heating pipeline when pressure too big impact the bellows and reduce the pressure in the heating pipeline, prevent that its heating pipeline from breaking, can make the connecting rod make two sections connecting pipes keep the intercommunication throughout in skew and dislocation when its heating pipeline takes place the skew dislocation, and the connecting rod can slowly reset under the elastic action of first rubber block, when its heating pipeline is because of the expend with heat and contract with cold when the temperature, can make two connecting pipes drive two sliding sleeves and slide extrusion second springs on the slide bar, prevent that its heating pipeline from breaking often because of the expend with heat and contract with cold phenomenon, and can slowly reset under the elastic action of first spring and second spring.

2: the utility model discloses in when pressure is too big among its heating pipeline, its pressure can effectively reduce through assaulting the bellows, rotates positive and negative two-way lead screw and makes two internal thread pieces do the opposite motion, can drive sleeve, guide bar and third spring extrusion bellows, and the pressure release ability of adjustable its bellows just can effectively reduce the bellows because of the too big cracked risk of pressure surge, has improved its use durability.

Drawings

Fig. 1 is a schematic structural diagram of a compensator for a heating pipe according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a partially enlarged view of a portion B in fig. 1.

In the figure: the device comprises a corrugated pipe 1, a fixing plate 2, a connecting flange 3, a first rubber block 4, a connecting rod 5, a first spring 6, a sliding sleeve 7, a sliding rod 8, a mounting plate 9, a bearing 10, a second spring 11, an internal thread block 12, a second rubber block 13, a positive and negative bidirectional screw rod 14, a sleeve 15, a guide rod 16, a third spring 17 and a connecting pipe 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a compensator for a heating pipeline comprises a corrugated pipe 1, two ends of the corrugated pipe 1 are both communicated with connecting pipes 18, two mounting grooves are formed on the two connecting pipes 18, connecting rods 5 are hinged in the two mounting grooves, sliding sleeves 7 are fixed at the top ends of the two connecting rods 5, sliding rods 8 are slidably sleeved in the two sliding sleeves 7, two ends of each sliding rod 8 are provided with limiting blocks, a first spring 6 is arranged between each limiting block and the two sliding sleeves 7, a second spring 11 is arranged between the two sliding sleeves 7, each sliding rod 8 is positioned in the first spring 6 and the second spring 11, connecting blocks are fixed at the tops of the two connecting pipes 18, mounting plates 9 are fixed at the ends of the two connecting blocks, through holes are formed in the mounting plates 9, bearings 10 are arranged in the through holes, forward and reverse bidirectional screw rods 14 are mounted on inner rings of the bearings 10, inner thread blocks 12 are sleeved on the two threaded rods of the forward and reverse bidirectional screw rods 14 through threads, two internal thread blocks 12 both sides in opposite directions all are fixed with fixed plate 2, two pairs of fixed plate 2 both sides in opposite directions all are provided with second rubber block 13, two pairs of second rubber blocks 13 are fixed respectively in the side of two connecting pipes 18, sleeve 15 is all installed to the opposite face of two pairs of fixed plates 2, guide bar 16 has all been cup jointed in two pairs of sleeves 15 in the slip, the tip of two pairs of guide bar 16 all is fixed at the outer wall of bellows 1, the outer wall of two pairs of sleeves 15 all is fixed with third spring 17, the tip of two pairs of third springs 17 all is fixed at the outer wall of bellows 1, two pairs of guide bar 16 are located two pairs of third springs 17 respectively.

The inner wall of mounting groove is fixed with first block rubber 4, and first block rubber 4 is fixed in the side of connecting rod 5, and two connecting pipe 18 both ends in opposite directions all communicate there is flange 3, and the side of two flange 3 all is provided with the sealing washer, and the tip of positive and negative two-way lead screw 14 is provided with the rolling disc, has seted up anti-skidding line on the rolling disc, and the end fixing of guide bar 16 has the fixed block, and the outer wall at bellows 1 is fixed to the fixed block.

The working principle is as follows: when in use, the connecting flanges 3 at two opposite ends of the connecting pipe 18 are communicated with a heating pipeline, the connecting pipes 18 at two ends are communicated with the corrugated pipe 1, so that the corrugated pipe 1 is impacted to reduce the pressure in the heating pipeline when the pressure in the heating pipeline is overlarge, the heating pipeline is prevented from being broken, when the heating pipeline is deviated and dislocated, the connecting rod 5 can rotate in the mounting groove to ensure that two sections of the connecting pipes 18 are always communicated in the deviation and dislocation, the connecting rod 5 can be slowly reset under the elastic action of the first rubber block 4, when the heating pipeline expands with heat and contracts with cold due to temperature, the two connecting pipes 18 can drive the two sliding sleeves 7 to slide on the sliding rod 8 to extrude the second spring 11, the heating pipeline is prevented from being broken due to expansion with heat and contraction with cold, the connecting rods can be slowly reset under the elastic action of the first spring 6 and the second spring 11, and when the pressure in the heating pipeline is overlarge, the pressure of the corrugated pipe 1 can be effectively reduced by impacting the corrugated pipe, the forward and reverse bidirectional screw rods 14 are rotated to enable the two internal thread blocks 12 to move in opposite directions, the sleeve 15, the guide rod 16 and the third spring 17 can be driven to extrude the corrugated pipe 1, the pressure release capacity of the corrugated pipe 1 can be adjusted, the risk that the corrugated pipe 1 is broken due to overlarge pressure impact can be effectively reduced, and the service durability of the corrugated pipe 1 is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The compensator for the heating pipeline comprises a corrugated pipe (1) and is characterized in that two ends of the corrugated pipe (1) are communicated with connecting pipes (18), mounting grooves are formed in the two connecting pipes (18), connecting rods (5) are hinged in the two mounting grooves, sliding sleeves (7) are fixed at the top ends of the two connecting rods (5), sliding rods (8) are sleeved in the sliding sleeves (7) in a sliding mode, limiting blocks are arranged at two ends of the sliding rods (8), first springs (6) are arranged between the two limiting blocks and the two sliding sleeves (7), second springs (11) are arranged between the two sliding sleeves (7), the sliding rods (8) are located in the first springs (6) and the second springs (11), connecting blocks are fixed at the tops of the two connecting pipes (18), and mounting plates (9) are fixed at the end portions of the two connecting blocks, the corrugated pipe is characterized in that a through hole is formed in the mounting plate (9), a bearing (10) is arranged in the through hole, a positive and negative two-way screw rod (14) is installed on an inner ring of the bearing (10), inner thread blocks (12) are sleeved on two sections of threaded rods of the positive and negative two-way screw rod (14) through threads, two opposite sides of the inner thread blocks (12) are fixed with fixing plates (2), two pairs of fixing plates (2) are provided with second rubber blocks (13) in opposite directions, the two pairs of second rubber blocks (13) are fixed on the side surfaces of two connecting pipes (18) respectively, two pairs of fixing plates (2) are provided with sleeves (15) in opposite surfaces, two pairs of sleeves (15) are sleeved with guide rods (16) in a sliding manner, the end parts of the guide rods (16) are fixed on the outer wall of the corrugated pipe (1), and the outer walls of the two pairs of sleeves (15) are fixed with third springs (17), the end parts of the two pairs of third springs (17) are fixed on the outer wall of the corrugated pipe (1), and the two pairs of guide rods (16) are respectively positioned in the two pairs of third springs (17).

2. The compensator for a heating pipe according to claim 1, wherein a first rubber block (4) is fixed to the inner wall of the installation groove, and the first rubber block (4) is fixed to the side surface of the connecting rod (5).

3. The compensator of claim 1, wherein the two opposite ends of the two connecting pipes (18) are communicated with connecting flanges (3), and the side surfaces of the two connecting flanges (3) are provided with sealing rings.

4. The compensator for the heating pipe as claimed in claim 1, wherein the end of the positive and negative two-way screw rod (14) is provided with a rotating disc, and the rotating disc is provided with anti-skid lines.

5. Compensator for a heating pipe according to claim 1, characterised in that the guide rods (16) have fixed to their ends fixed blocks fixed to the outer wall of the bellows (1).

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