Prefabricated energy pile heat exchange pipe joint

Abstract

The utility model discloses a prefabricated energy pile heat exchange pipe joint in the field of prefabricated energy piles, which comprises an energy pile body, a heat exchange pipe, a connecting mechanism, a connecting pipe and a protective mechanism, the heat exchange pipe is fixedly connected inside the energy pile body and extends to the top of the energy pile body, and the protective mechanism is arranged on the heat exchange pipe. According to the prefabricated energy pile heat exchange pipe connector, during connection, a sealing ring is placed in a sealing groove in the heat exchange pipe, a positioning strip is aligned with a positioning groove, a connecting cylinder is embedded into a sleeve, the inclined face of a clamping block is extruded, the clamping block is shrunk, and the heat exchange pipe is connected to the top of the heat exchange pipe through the connecting mechanism. And when the clamping blocks are aligned with the clamping grooves, the clamping blocks are driven by the reset springs to reset, the clamping blocks are embedded in the clamping grooves, and connection is completed, so that connection is simpler and more convenient, hot melting connection is avoided, time and labor are saved, and the connection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated energy piles, in particular to a prefabricated energy pile heat exchange pipe joint. Background Art

[0002] The ground source heat pump air conditioning system has been greatly developed in my country because of its energy conservation and environmental protection. It is now a mature technology. When a building is constructed, the plastic heat exchange pipes of the ground source heat pump system's buried pipe heat exchanger are directly buried in the concrete pile foundation of the building to combine it with the building structure. This becomes a new type of buried pipe heat exchanger, called a pile foundation buried pipe geothermal heat exchanger, also known as an energy pile. Compared with the traditional vertical buried pipe technology solution, the energy pile has the advantages of short construction period, low cost and good heat transfer performance.

[0003] A Chinese patent with publication number CN210341889U discloses a prefabricated energy pile heat exchange pipe joint, which includes a prefabricated pile, and a flange is provided at the connection of the prefabricated pile. The flange is provided with screw holes, ribs, pipe holes, and connecting grooves. A fixing groove is provided on the ribs close to the connecting grooves. By setting the fixing grooves and the connecting grooves, the buried pipes are hidden in the flange before and after connection to avoid external impact and effectively prevent the buried pipes from being damaged. However, the patent uses hot melt to connect the heat exchange pipes, which makes it time-consuming and labor-intensive to connect the heat exchange pipes, reduces the connection efficiency, and is not conducive to connection. For this reason, we propose a prefabricated energy pile heat exchange pipe joint. Utility Model Content

[0004] The purpose of the utility model is to provide a prefabricated energy pile heat exchange pipe joint to solve the problem that the heat exchange pipes are connected by hot melting in the above background technology, which makes the connection of the heat exchange pipes more time-consuming and labor-intensive, reduces the connection efficiency and is not conducive to the connection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated energy pile heat exchange pipe joint, comprising an energy pile body, a heat exchange pipe, a connecting mechanism, a connecting pipe and a protective mechanism, wherein the heat exchange pipe is fixedly connected to the inside of the energy pile body and extends to the top of the energy pile body, the connecting pipe is fixedly connected to the top of the heat exchange pipe through the connecting mechanism, the protective mechanism is fixedly connected to the top of the energy pile body, the connecting mechanism comprises a sleeve, a positioning groove, a mounting frame, a sliding rod, a clamping block, a pull plate, a reset spring, a sealing groove, a sealing ring, a mounting plate, a connecting tube, a clamping groove and a positioning strip, the outer top of the heat exchange pipe is fixedly connected with a sleeve, and the inner side of the sleeve The wall is symmetrically provided with positioning grooves, the outer side wall of the sleeve is symmetrically fixedly connected with a mounting bracket, the middle parts of the mutually distant sides of the mounting brackets at the front and rear parts are penetrated by sliding rods that are slidably connected, the opposite ends of the sliding rods at the front and rear parts are fixedly connected with clamping blocks, the mutually distant ends of the sliding rods at the front and rear parts are fixedly connected with pull plates, the outer side of the sliding rod is sleeved with a return spring, the top of the heat exchange tube and the bottom of the connecting tube are both provided with sealing grooves, a sealing ring is placed inside the sealing groove, the outer bottom of the connecting tube is fixedly connected with a mounting plate, the bottom of the mounting plate is fixedly connected with a connecting tube, the outer side wall of the connecting tube is symmetrically provided with clamping grooves, and the outer side wall of the connecting tube is symmetrically fixedly connected with positioning strips.

[0006] As a further description of the above technical solution:

[0007] The clamping block penetrates the inner wall of the sleeve, and the clamping block is slidably connected to the sleeve.

[0008] As a further description of the above technical solution:

[0009] The two ends of the front return spring are respectively fixedly connected to the inner front of the front mounting frame and the front side of the front clamping block, and the two ends of the rear return spring are respectively fixedly connected to the inner rear of the rear mounting frame and the rear side of the rear clamping block.

[0010] As a further description of the above technical solution:

[0011] The diameter of the connecting tube is equal to the inner diameter of the sleeve, and the top of the clamping block is provided with an inclined surface.

[0012] As a further description of the above technical solution:

[0013] The protection mechanism comprises a protection cover, a connecting rod, a slider, a cover plate, a fixing rod, a rubber protrusion, a fixing hole and a snap-in groove; the top of the energy pile body is fixedly connected with the protection cover, the top of the inner wall of the protection cover is fixedly connected with the connecting rod, the outer wall of the connecting rod is symmetrically fixedly connected with the slider, the top of the slider is fixedly connected with the cover plate, the middle part of the rear side of the front cover plate is fixedly connected with the fixing rod, the outer wall of the fixing rod is evenly fixedly connected with the rubber protrusion, the middle part of the front side of the rear cover plate is provided with a fixing hole, and the inner wall of the fixing hole is evenly provided with snap-in grooves.

[0014] As a further description of the above technical solution:

[0015] The bottom of the cover plate is tightly fitted with the top of the protective cover, and a semicircular groove is symmetrically opened through the top of the cover plate, and the diameter of the semicircular groove is equal to the diameter of the connecting pipe.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. When connecting the prefabricated energy pile heat exchange pipe joint, place the sealing ring in the sealing groove on the heat exchange pipe, align the positioning strip with the positioning groove, embed the connecting tube in the sleeve, squeeze the inclined surface of the block to shrink the block, and squeeze the reset spring. When the block is aligned with the slot, the reset spring drives the block to reset, so that the block is embedded in the slot to complete the connection, thereby making the connection simpler and more convenient, avoiding the use of hot melt connection, saving time and effort, and improving connection efficiency.

[0018] 2. After the prefabricated energy pile heat exchange pipe joint is connected, the cover plate is pushed to make the front and rear cover plates close to each other, so that the fixing rod is embedded in the fixing hole, and the rubber protrusion is embedded in the clamping groove to restrict the fixing rod, so that the position of the cover plate is fixed, the connection mechanism is protected, and the loosening of the connection caused by external impact is avoided, the stability of the connection is guaranteed, and the safety of the device is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a prefabricated energy pile heat exchange pipe joint proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the installation structure of a reset spring of a prefabricated energy pile heat exchange pipe joint proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of a slot opening of a prefabricated energy pile heat exchange pipe joint proposed by the utility model;

[0022] Figure 4 This is a schematic structural diagram of a protection mechanism for a prefabricated energy pile heat exchange pipe joint proposed by the utility model.

[0023] In the figure: 100, energy pile body; 200, heat exchange tube; 300, connecting mechanism; 310, sleeve; 320, positioning groove; 330, mounting frame; 340, slide bar; 341, clamping block; 342, pull plate; 343, return spring; 350, sealing groove; 351, sealing ring; 360, mounting plate; 370, connecting tube; 380, clamping groove; 390, positioning strip; 400, connecting tube; 500, protection mechanism; 510, protection cover; 520, connecting rod; 530, slider; 540, cover plate; 550, fixing rod; 551, rubber protrusion; 560, fixing hole; 561, clamping groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a prefabricated energy pile heat exchange pipe joint, which makes the connection simpler and more convenient, avoids the use of hot melt connection, saves time and effort, and improves the connection efficiency. Figure 1-4 , including an energy pile body 100, a heat exchange tube 200, a connecting mechanism 300, a connecting tube 400 and a protective mechanism 500;

[0028] Please refer again Figure 1 The energy pile body 100 is used to install the heat exchange tube 200, the connecting mechanism 300, the connecting tube 400 and the protective mechanism 500;

[0029] Please refer again Figure 1 The heat exchange tube 200 is fixedly connected to the inside of the energy pile body 100 and extends to the top of the energy pile body 100 for connecting the connecting tube 400. The connecting tube 400 is fixedly connected to the top of the heat exchange tube 200 through the connecting mechanism 300. The protective mechanism 500 is fixedly connected to the top of the energy pile body 100 to protect the connecting mechanism 300.

[0030] Please refer again Figure 2-3 The connecting mechanism 300 includes a sleeve 310, a positioning groove 320, a mounting frame 330, a sliding rod 340, a clamping block 341, a pull plate 342, a return spring 343, a sealing groove 350, a sealing ring 351, a mounting plate 360, a connecting tube 370, a clamping groove 380 and a positioning strip 390;

[0031] Please refer again Figure 2 The outer top of the heat exchange tube 200 is fixedly connected with a sleeve 310, and the inner wall of the sleeve 310 is symmetrically provided with a positioning groove 320. The outer wall of the sleeve 310 is symmetrically fixedly connected with a mounting bracket 330. The middle parts of the mutually distant sides of the front and rear mounting brackets 330 are penetrated by a sliding rod 340 for sliding connection. The opposite ends of the front and rear sliding rods 340 are fixedly connected with a clamping block 341. The mutually distant ends of the front and rear sliding rods 340 are fixedly connected with a pull plate 342. The outer side of the sliding rod 340 is sleeved with a return spring 343. The top of the heat exchange tube 200 and the bottom of the connecting tube 400 are both provided with a sealing groove 350, and a sealing ring 351 is placed inside the sealing groove 350.

[0032] Please refer again Figure 3 The outer bottom of the connecting tube 400 is fixedly connected to a mounting plate 360, the bottom of the mounting plate 360 ​​is fixedly connected to a connecting tube 370, the outer wall of the connecting tube 370 is symmetrically provided with a card slot 380, and the outer wall of the connecting tube 370 is symmetrically fixedly connected to a positioning strip 390.

[0033] To summarize, when connecting, place the sealing ring 351 in the sealing groove 350 on the heat exchange tube 200, align the positioning strip 390 with the positioning groove 320, embed the connecting tube 370 in the sleeve 310, squeeze the inclined surface of the block 341 to make the block 341 shrink, and squeeze the reset spring 343. When the block 341 is aligned with the groove 380, the reset spring 343 drives the block 341 to reset, so that the block 341 is embedded in the groove 380 to complete the connection, thereby making the connection simpler and more convenient, avoiding the use of hot melt connection, saving time and effort, and improving the connection efficiency.

[0034] Please refer again Figure 2 The block 341 passes through the inner wall of the sleeve 310 , and the block 341 and the sleeve 310 are slidably connected.

[0035] Please refer again Figure 2 The two ends of the front return spring 343 are respectively fixedly connected to the inner front part of the front mounting frame 330 and the front side of the front block 341, and the two ends of the rear return spring 343 are respectively fixedly connected to the inner rear part of the rear mounting frame 330 and the rear side of the rear block 341.

[0036] Please refer again Figure 2-3 The diameter of the connecting tube 370 is equal to the inner diameter of the sleeve 310 , and a slope is provided on the top of the block 341 .

[0037] Please refer again Figure 4 The protection mechanism 500 includes a protection cover 510, a connecting rod 520, a slider 530, a cover plate 540, a fixing rod 550, a rubber protrusion 551, a fixing hole 560 and a clamping groove 561. The top of the energy pile body 100 is fixedly connected with the protection cover 510, the top of the inner wall of the protection cover 510 is fixedly connected with the connecting rod 520, the outer wall of the connecting rod 520 is symmetrically fixedly connected with the slider 530, the top of the slider 530 is fixedly connected with the cover plate 540, the middle part of the rear side of the front cover plate 540 is fixedly connected with the fixing rod 550, the outer wall of the fixing rod 550 is evenly fixedly connected with the rubber protrusion 551, the middle part of the front side of the rear cover plate 540 is provided with a fixing hole 560, and the inner wall of the fixing hole 560 is evenly provided with a clamping groove 561.

[0038] Please refer again Figure 4 The bottom of the cover plate 540 fits tightly with the top of the protective cover 510 , and a semicircular groove is symmetrically opened through the top of the cover plate 540 , and the diameter of the semicircular groove is equal to the diameter of the connecting pipe 400 .

[0039] To sum up, after the connection is completed, the cover plate 540 is pushed to make the front and rear cover plates 540 approach each other, so that the fixing rod 550 is embedded in the fixing hole 560, and the rubber protrusion 551 is embedded in the clamping groove 561, so as to restrict the fixing rod 550, thereby fixing the position of the cover plate 540, protecting the connection mechanism 300, preventing the connection from being loosened due to external impact, ensuring the stability of the connection, and improving the safety of the device.

[0040] During specific use, when making a connection, a person skilled in the art places the sealing ring 351 in the sealing groove 350 on the heat exchange tube 200, aligns the positioning strip 390 with the positioning groove 320, embeds the connecting tube 370 in the sleeve 310, squeezes the inclined surface of the block 341 to shrink the block 341, and squeezes the reset spring 343. When the block 341 is aligned with the groove 380, the reset spring 343 drives the block 341 to reset so that the block 341 is embedded in the groove 380 to complete the connection. After the connection is completed, the cover plate 540 is pushed to bring the front and rear cover plates 540 closer to each other, so that the fixing rod 550 is embedded in the fixing hole 560, and the rubber protrusion 551 is embedded in the clamping groove 561 to restrict the fixing rod 550, thereby fixing the position of the cover plate 540 and protecting the connecting mechanism 300.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A prefabricated energy pile heat exchange pipe joint, characterized in that: The energy pile comprises an energy pile body (100), a heat exchange tube (200), a connection mechanism (300), a connection tube (400) and a protection mechanism (500), wherein the heat exchange tube (200) is fixedly connected to the inside of the energy pile body (100) and extends to the top of the energy pile body (100), the connection tube (400) is fixedly connected to the top of the heat exchange tube (200) through the connection mechanism (300), and the protection mechanism (500) is fixedly connected to the energy pile body (100). The top of the heat exchange tube (200) is fixedly connected to the sleeve (310), the inner wall of the sleeve (310) is symmetrically connected to the outer top of the heat exchange tube (200), and the sleeve (310) is fixedly connected to the outer top of the heat exchange tube (200), and the inner wall of the sleeve (310) is symmetrically connected to the outer top of the heat exchange tube (200). A positioning groove (320) is provided, and the outer wall of the sleeve (310) is symmetrically fixedly connected with a mounting frame (330), and the middle parts of the mutually distant sides of the front and rear mounting frames (330) are penetrated by a sliding rod (340) for sliding connection, and the opposite ends of the front and rear sliding rods (340) are fixedly connected with a clamping block (341), and the mutually distant ends of the front and rear sliding rods (340) are fixedly connected with a pull plate (342), and the outer side of the sliding rod (340) is sleeved with a return spring (343), and the heat exchange tube The top of the connecting tube (200) and the bottom of the connecting tube (400) are both provided with a sealing groove (350), a sealing ring (351) is placed inside the sealing groove (350), the outer bottom of the connecting tube (400) is fixedly connected to a mounting plate (360), the bottom of the mounting plate (360) is fixedly connected to a connecting tube (370), the outer wall of the connecting tube (370) is symmetrically provided with a clamping groove (380), and the outer wall of the connecting tube (370) is symmetrically fixedly connected to a positioning strip (390).

2. The prefabricated energy pile heat exchange pipe joint according to claim 1, characterized in that: The clamping block (341) passes through the inner wall of the sleeve (310), and the clamping block (341) is slidably connected to the sleeve (310).

3. The prefabricated energy pile heat exchange pipe joint according to claim 1, characterized in that: The two ends of the front return spring (343) are respectively fixedly connected to the inner front part of the front mounting frame (330) and the front side of the front clamping block (341), and the two ends of the rear return spring (343) are respectively fixedly connected to the inner rear part of the rear mounting frame (330) and the rear side of the rear clamping block (341).

4. The prefabricated energy pile heat exchange pipe joint according to claim 1, characterized in that: The diameter of the connecting tube (370) is equal to the inner diameter of the sleeve (310), and the top of the clamping block (341) is provided with an inclined surface.

5. The prefabricated energy pile heat exchange pipe joint according to claim 1, characterized in that: The protection mechanism (500) comprises a protection cover (510), a connecting rod (520), a slider (530), a cover plate (540), a fixing rod (550), a rubber protrusion (551), a fixing hole (560) and a clamping groove (561); the top of the energy pile body (100) is fixedly connected with the protection cover (510); the top of the inner side wall of the protection cover (510) is fixedly connected with the connecting rod (520); the outer side wall of the connecting rod (520) is fixedly connected with the connecting rod (520). A slider (530) is symmetrically fixedly connected, a cover plate (540) is fixedly connected to the top of the slider (530), a fixing rod (550) is fixedly connected to the middle of the rear side of the front cover plate (540), a rubber protrusion (551) is evenly fixedly connected to the outer wall of the fixing rod (550), a fixing hole (560) is opened in the middle of the front side of the rear cover plate (540), and a clamping groove (561) is evenly opened on the inner wall of the fixing hole (560).

6. The prefabricated energy pile heat exchange pipe joint according to claim 5, characterized in that: The bottom of the cover plate (540) is tightly fitted with the top of the protective cover (510), and a semicircular groove is symmetrically opened through the top of the cover plate (540), and the diameter of the semicircular groove is equal to the diameter of the connecting pipe (400).

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