CN218494429U

CN218494429U - Pipe joint assembly and heating radiator

Info

Publication number: CN218494429U
Application number: CN202222073701.0U
Authority: CN
Inventors: 朱大莉; 桓晓锋; 龚新磊; 李小芳; 陈兴华
Original assignee: Yutong Bus Co Ltd
Current assignee: Yutong Bus Co Ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-02-17
Anticipated expiration: 2032-08-08

Abstract

The utility model belongs to the technical field of connect and radiator, and a coupling subassembly and heating radiator is related to, the coupling subassembly includes clamp and coupling, the coupling includes the cylinder pipeline section that the axis extends along the fore-and-aft direction, the rear end of cylinder pipeline section is provided with the connection structure who is used for with business turn over water equipment fixed connection, the cylinder pipeline section is including the insertion section that is used for inserting in the rubber tube, the terminal surface of insertion section is the preceding terminal surface of cylinder pipeline section, the insertion section epirelief is equipped with the bulge loop that is used for with the inner wall interference fit of rubber tube, the bulge loop includes by preceding bulge loop and at least one back bulge loop that arranges in proper order backward, the external diameter of back bulge loop is less than or equal to the external diameter of preceding bulge loop, the clamp is used for the cover to establish the outside of fixing at back bulge loop and rubber tube. The utility model discloses effectively solved among the prior art when sealed the inefficacy between bulge loop and the rubber tube inner wall, sealed and lead to the higher problem of risk of leaking because of the fastening force that only relies on the clamp.

Description

Pipe joint assembly and heating radiator

Technical Field

The utility model relates to a coupling subassembly and heating radiator belongs to joint and radiator technical field.

Background

In the prior art, a heating system of a passenger car is a circulation system that carries heat to a passenger compartment through a circulation medium (antifreeze solution) and provides heat for the passenger compartment through a heating radiator, and the heating system of the passenger car includes the heating radiator, a water pump and other components.

For example, the heating radiator disclosed in chinese utility model patent with the publication number CN202836263U for instance, as shown in fig. 1 and fig. 2, the radiator 100 includes a heat radiation water tank (i.e., water inlet and outlet equipment), the water inlet and outlet equipment is provided with an inlet for water inflow and an outlet for water outflow, the inlet and the outlet are all welded and fixed with a pipe joint 200, the pipe joint 200 includes a cylindrical pipe section 201 with an axis extending in the front-back direction, the rear end of the cylindrical pipe section 201 is provided with a connecting structure for being fixedly connected with the water inlet and outlet equipment, the cylindrical pipe section 201 includes an insertion section for being inserted into the rubber pipe 300, and the end surface of the insertion section is the front end surface of the cylindrical pipe section 201. In order to prevent the hose 300 from being pulled out of the pipe joint 200 and to increase the sealing performance of the connection between the hose and the pipe joint, a convex ring 202 for interference fit with the inner wall of the hose 300 is convexly arranged on the insertion section. As shown in fig. 3, after the insertion section is inserted into the rubber tube 300, the collar 202 is in interference fit with the inner wall of the rubber tube 300, and the clip 400 located outside the rubber tube 300 is sleeved and fixed on the cylindrical tube section at the rear side of the collar 202, so as to prevent the water leakage of the radiator through the interference fit between the collar and the inner wall of the rubber tube and the fastening of the clip.

However, the temperature at the pipe joint can be changed back and forth between-30 ℃ and 80 ℃ generally, the coefficient of expansion with heat and contraction with cold of the rubber pipe is large, when the rubber pipe deforms with repeated expansion with heat and contraction with cold, a gap can be generated between the inner wall of the rubber pipe and the pipe joint, and a gap can be generated between the convex ring and the inner wall of the rubber pipe to form clearance fit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipe joint component to solve the problem of higher water leakage risk caused by sealing only by the fastening force of a hoop when the sealing between a convex ring and the inner wall of a rubber pipe fails in the prior art; an object of the utility model is to provide a heating radiator still to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a pipe joint assembly adopts following technical scheme:

the utility model provides a pipe joint subassembly, including clamp and coupling, the coupling includes the cylinder pipeline section that the axis extends along the fore-and-aft direction, the rear end of cylinder pipeline section is provided with and is used for the connection structure with business turn over water equipment fixed connection, the cylinder pipeline section is including being used for inserting the insertion section in the rubber tube, the terminal surface of insertion section is the preceding terminal surface of cylinder pipeline section, the insertion section epirelief is equipped with the bulge loop that is used for with the inner wall interference fit of rubber tube, the bulge loop includes by preceding bulge loop and at least one back bulge loop that arrange in proper order backward, the external diameter of back bulge loop is less than or equal to the external diameter of preceding bulge loop, the clamp is used for the cover to establish and fixes the outside at back bulge loop and rubber tube.

The beneficial effects of the above technical scheme are that: in the pipe joint assembly of the utility model, the convex ring which is convexly arranged on the cylindrical pipe section and is used for being in interference fit with the inner wall of the rubber pipe comprises a front convex ring and at least one rear convex ring which are sequentially arranged from front to back, so compared with the prior art, because the cylindrical pipe section positioned at the rear side of the front convex ring can increase the interference magnitude between the cylindrical pipe section and the inner wall of the rubber pipe through the rear convex ring, when the rubber pipe is not deformed, the cylindrical pipe section and the inner wall of the rubber pipe can be sealed through the interference fit between the front convex ring and the inner wall of the rubber pipe, and simultaneously, the cylindrical pipe section and the inner wall of the rubber pipe can be sealed through the interference fit between the rear convex ring and the inner wall of the rubber pipe, namely, the number of sealing points between the cylindrical pipe section and the rubber pipe is increased, and the sealing effect between the cylindrical pipe section and the rubber pipe is favorably ensured; meanwhile, the clamp is used for sleeving and fixing the outer parts of the rear convex ring and the rubber tube, so that after the rubber tube deforms due to repeated expansion with heat and contraction with cold, even if clearance fit is formed between the rubber tube and the front convex ring, sealing between the rear convex ring and the inner wall of the rubber tube can be guaranteed through fastening force of the clamp, and compared with the circumferential surface for fastening the inner wall of the rubber tube and the cylindrical tube section through the clamp in the prior art, the risk of water leakage between the pipe joint and the rubber tube is favorably reduced.

Furthermore, the rear convex rings are at least two, and the clamp is used for being sleeved and fixed outside the rubber tube and the at least two rear convex rings.

The beneficial effects of the above technical scheme are that: therefore, interference sealing between the at least two rear convex rings and the inner wall of the rubber pipe can be enhanced through the fastening force of one clamp, the mounting quantity of the clamp can be reduced, and the clamp is convenient to mount.

Further, the inner peripheral surface of the clamp is a smooth cylindrical surface.

The beneficial effects of the above technical scheme are that: this is advantageous for facilitating the manufacture of the clip.

Further, the axial width of the rear convex ring is smaller than that of the front convex ring.

The beneficial effects of the above technical scheme are that: thus, when the insertion section of the cylindrical pipe section is inserted into the rubber pipe, the friction length between the single rear convex ring and the inner wall of the rubber pipe can be reduced, and the insertion of the insertion section into the rubber pipe is facilitated.

Furthermore, the rear convex rings are provided with an even number of convex rings, the number of the convex rings is more than or equal to four, two adjacent rear convex rings form a group, and the hoops are provided with a plurality of convex rings which are respectively used for being sleeved and fixed outside each group of rear convex rings.

The beneficial effects of the above technical scheme are that: therefore, the fastening force of the hoop can act on the interference fit between each rear convex ring and the inner wall of the rubber pipe, and the sealing effect between each rear convex ring and the inner wall of the rubber pipe is ensured; make the clamp cover establish the outside of fixing at a set of back bulge loop, the stability of clamp fastening installation more, and then also can guarantee the sealed cooperation between back bulge loop and the rubber tube inner wall, in addition, compare for utilizing a clamp and the back bulge loop fastening cooperation more than two, can choose for use the clamp that axial width is less relatively, and then be favorable to reduce cost.

Further, the distance between two opposite side surfaces of the two rear convex rings in one group is smaller than or equal to the axial width of one hoop.

The beneficial effects of the above technical scheme are that: therefore, one clamp can be ensured to completely cover the two rear convex rings, and the sealing effect between the pipe joint and the rubber pipe can be further ensured.

Furthermore, the clamp is used for sleeving and fixing the rubber tube and the outer part of the rear convex ring.

The beneficial effects of the above technical scheme are that: compared with the external part fixed on a plurality of rear convex rings by a hoop sleeve, the fastening force of one hoop only can influence the sealing effect between one rear convex ring and the inner wall of the rubber pipe, and can not influence the fastening force between a plurality of rear convex rings and the inner wall of the rubber pipe simultaneously, thereby being beneficial to ensuring the sealing effect between the pipe joint and the rubber pipe.

Furthermore, an annular groove matched with the rear convex ring is formed in the inner peripheral surface of the hoop.

The beneficial effects of the above technical scheme are that: through the annular groove matched with the rear convex ring, the clamp can be more stably sleeved and fixed outside the rear convex ring, and the effect of sealing and matching between the rear convex ring and the inner wall of the rubber pipe by the fastening force of the clamp is favorably ensured.

In order to achieve the above object, the utility model provides a heating radiator adopts following technical scheme:

the utility model provides a heating radiator, including business turn over water equipment, business turn over water equipment has the import that the water supply flows in and the export that the water supply flows out, pipe joint assembly is all installed in import and exit, pipe joint assembly includes clamp and coupling, the pipe joint includes the cylinder pipeline section that the axis extends along the fore-and-aft direction, the rear end of cylinder pipeline section is provided with the connection structure who is used for with business turn over water equipment fixed connection, the cylinder pipeline section is including being used for inserting the section of inserting in the rubber tube, the terminal surface of inserting the section is the preceding terminal surface of cylinder pipeline section, it is equipped with the bulge loop that is used for with the inner wall interference fit of rubber tube to insert the section epirelief, a serial communication port, the bulge loop includes by preceding bulge loop and at least one back bulge loop that arranges in proper order backward, the external diameter of back bulge loop is less than or equal to the external diameter of preceding bulge loop, the clamp is used for the cover to establish the outside of fixing at back bulge loop and rubber tube.

The beneficial effects of the above technical scheme are that: in the heating radiator of the utility model, the convex ring which is convexly arranged on the cylindrical pipe section and is used for being in interference fit with the inner wall of the rubber pipe comprises a front convex ring and at least one rear convex ring which are sequentially arranged from front to back, so compared with the prior art, because the cylindrical pipe section positioned at the rear side of the front convex ring can increase the interference magnitude between the cylindrical pipe section and the inner wall of the rubber pipe through the rear convex ring, when the rubber pipe is not deformed, the cylindrical pipe section and the inner wall of the rubber pipe can be sealed through the interference fit between the front convex ring and the inner wall of the rubber pipe, and simultaneously, the cylindrical pipe section and the inner wall of the rubber pipe can be sealed through the interference fit between the rear convex ring and the inner wall of the rubber pipe, namely, the number of sealing points between the cylindrical pipe section and the rubber pipe is increased, and the sealing effect between the cylindrical pipe section and the rubber pipe can be favorably ensured; meanwhile, the clamp is used for sleeving and fixing the outer part of the rear convex ring and the rubber tube, so that after the rubber tube is repeatedly expanded with heat and contracted with cold to deform, even if clearance fit is formed between the rubber tube and the front convex ring, sealing between the rear convex ring and the inner wall of the rubber tube can be guaranteed through fastening force of the clamp, and compared with the circumferential surface for fastening the inner wall of the rubber tube and the cylindrical tube section through the clamp in the prior art, the risk of water leakage between the pipe joint and the rubber tube is favorably reduced.

The beneficial effects of the above technical scheme are that: therefore, interference sealing between the at least two rear convex rings and the inner wall of the rubber pipe can be enhanced through the fastening force of one clamp, the installation quantity of the clamp can be reduced, and the clamp is convenient to install.

Furthermore, the inner peripheral surface of the clamp is a smooth cylindrical surface.

The beneficial effects of the above technical scheme are that: this facilitates the manufacturing of the clip.

Further, the axial width of the rear convex ring is smaller than the axial width of the front convex ring.

The beneficial effects of the above technical scheme are that: therefore, one hoop can completely cover the two rear convex rings, and the sealing effect between the pipe joint and the rubber pipe can be further ensured.

Furthermore, the clamp is used for sleeving and fixing the rubber tube and the outer part of one rear convex ring.

The beneficial effects of the above technical scheme are that: compared with the outer part of a plurality of rear convex rings, the fastening force of one clamp only can influence the sealing effect between one rear convex ring and the inner wall of the rubber pipe, and cannot influence the fastening force between the plurality of rear convex rings and the inner wall of the rubber pipe simultaneously, so that the sealing effect between the pipe joint and the rubber pipe is ensured.

Furthermore, an annular groove matched with the rear convex ring is formed in the inner circumferential surface of the hoop.

Furthermore, the inlet and the outlet are both provided with connecting pipes, and the connecting structure in the pipe joint assembly is a fixing section which is arranged on the cylindrical pipe section and is used for inserting the connecting pipes or inserting the connecting pipes into the connecting pipes and welding and fixing the connecting pipes.

The beneficial effects of the above technical scheme are that: set up fixed section and connecting pipe, not only made things convenient for being connected between coupling and the business turn over water equipment, simultaneously through the welding, also can guarantee joint strength between the two.

Drawings

FIG. 1 is a schematic diagram of a prior art heating radiator;

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

FIG. 3 is an assembly view of a pipe joint and a hose in the prior art;

in fig. 1 to 3: 100. a heat sink; 200. a pipe joint; 201. a cylindrical tube section; 202. a convex ring; 300. a hose; 400. Clamping a hoop;

fig. 4 is a schematic view of a heating radiator according to the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 4;

fig. 6 is an assembly view of the middle pipe joint and the rubber pipe of the present invention.

In fig. 4 to 6: 10. a heating radiator; 20. a pipe joint; 21. a cylindrical tube section; 22. a front convex ring; 23. a rear convex ring; 30. a hose; 40. and (5) clamping a hoop.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that, in the embodiments of the present invention, relational terms such as "first" and "second", and the like, which may be present in the embodiments, are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that "comprises a … …" or the like may occur does not preclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" should be understood broadly, for example, the object provided may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

The present invention will be described in further detail with reference to examples.

The utility model discloses embodiment 1 of well heating radiator:

the heating radiator 10 includes a heat-dissipating water tank (not shown), which is a water inlet and outlet device, and the heat-dissipating water tank is provided with an inlet through which water flows in and an outlet through which water flows out, and the inlet and the outlet are fixed with a connecting pipe, which is communicated with the inside of the heat-dissipating water tank.

As shown in fig. 4, the inlet and the outlet of the heat radiation water tank are connected with a pipe joint assembly through a connecting pipe, specifically, as shown in fig. 5 and 6, the pipe joint assembly includes a pipe joint 20, the pipe joint 20 includes a cylindrical pipe section 21 extending axially in the front-rear direction, the outer diameter of the cylindrical pipe section 21 is 25mm, the rear end of the cylindrical pipe section 21 is provided with a connecting structure for fixedly connecting with the heat radiation water tank, in this embodiment, the connecting structure is a fixing section which is arranged on the cylindrical pipe section 21, inserted into the connecting pipe and welded and fixed with the connecting pipe, and the end surface of the fixing section is the rear end surface of the cylindrical pipe section 21.

As shown in fig. 5 and 6, the cylindrical pipe section 21 has an insertion section for insertion into the rubber hose 30, the end surface of the insertion section being the front end surface of the cylindrical pipe section 21, i.e., the insertion section being located on the front side of the fixing section. As shown in fig. 5, the outer circumferential wall of the insertion section is convexly provided with a convex ring for interference fit with the inner wall of the rubber tube 30, the convex ring comprises a front convex ring 22 and four rear convex rings 23 which are sequentially arranged from front to rear, the outer diameter of the front convex ring 22 is greater than that of the rear convex rings 23, and the axial width of the front convex ring 22 is greater than that of the rear convex rings 23. Because the convex rings are in interference fit with the inner wall of the rubber tube 30, after the insertion section is inserted into the rubber tube 30, a sealing point is formed between each of the front convex ring 22 and the four rear convex rings 23 and the inner wall of the rubber tube 30, namely, five sealing points are formed between the insertion section and the inner wall of the rubber tube 30.

As shown in fig. 6, the pipe joint assembly further includes two hoops 40, two hoops 40 are provided, the inner peripheral surface of each hoop 40 is a smooth cylindrical surface, two adjacent rear convex rings 23 in the four rear convex rings 23 are in a group, each hoop 40 is used for sleeving and fixing the two rear convex rings 23 in each group and the outside of the rubber pipe 30, thus when the insertion section of the cylindrical pipe section 21 is inserted into the rubber pipe 30, not only can the connection between the rubber pipe 30 and the insertion section be strengthened by the fastening force of the hoop 40 located at the outside of the circumference of the rubber pipe 30, but also because the two adjacent rear convex rings 23 radially correspond to the same hoop 40, the sealing effect between the two adjacent rear convex rings 23 and the inner wall of the rubber pipe 30 can be strengthened by the fastening force of one hoop 40, which is beneficial to reducing the number of the hoops 40 and further beneficial to reducing the cost. In addition, the distance between the two opposite side surfaces of the two rear convex rings 23 in one group is equal to the axial width of one hoop 40, so that one hoop 40 can completely cover the two rear convex rings 23, and the sealing effect between the pipe joint 20 and the rubber pipe 30 can be further ensured.

In addition, the pipe joint 20 in this embodiment is made of metal, such as copper or aluminum, and the metal has a small thermal expansion and contraction expansion coefficient and is not easy to deform, so that the pipe joint 20 can adapt to an environment with a large temperature difference between cold and hot, and the problem of water leakage of the pipe joint 20 in the environment with a large temperature difference between cold and hot can be avoided to a certain extent.

In the heating radiator of the utility model, the convex ring which is convexly arranged on the cylindrical pipe section and is used for being in interference fit with the inner wall of the rubber pipe comprises a front convex ring and four rear convex rings which are sequentially arranged from front to back, so compared with the prior art, because the cylindrical pipe section positioned at the rear side of the front convex ring can increase the interference magnitude between the cylindrical pipe section and the inner wall of the rubber pipe through the rear convex ring, when the rubber pipe is not deformed, the cylindrical pipe section and the inner wall of the rubber pipe can be sealed through the interference fit between the front convex ring and the inner wall of the rubber pipe, and simultaneously, the cylindrical pipe section and the inner wall of the rubber pipe can be sealed through the interference fit between the rear convex ring and the inner wall of the rubber pipe, namely, the number of sealing points between the cylindrical pipe section and the rubber pipe is increased, and the sealing effect between the cylindrical pipe section and the rubber pipe is favorably ensured; meanwhile, the clamp is used for sleeving and fixing the outer parts of the rear convex ring and the rubber tube, so that after the rubber tube deforms due to repeated expansion with heat and contraction with cold, even if clearance fit is formed between the rubber tube and the front convex ring, sealing between the rear convex ring and the inner wall of the rubber tube can be guaranteed through fastening force of the clamp, and compared with the circumferential surface for fastening the inner wall of the rubber tube and the cylindrical tube section through the clamp in the prior art, the risk of water leakage between the pipe joint and the rubber tube is favorably reduced.

In addition, it should be noted that the pipe joint of the present invention is not only suitable for a heating radiator, but also suitable for components such as a water pump, a heater, a valve, a defroster, a PTC water heater, and a water passage filter in systems such as a battery heat management system, an engine cooling system, and a motor cooling system.

The utility model discloses embodiment 2 of well heating radiator:

the present embodiment is different from embodiment 1 in that in embodiment 1, the fixed segment is used for insertion into the connection pipe. In this embodiment, the connecting tube is adapted to be inserted into the fixed segment.

The utility model discloses embodiment 3 of well heating radiator:

the present embodiment is different from embodiment 1 in that, in embodiment 1, the connection structure is a fixed segment that is provided on the cylindrical pipe section and inserted into the connection pipe and is welded and fixed to the connection pipe. In the embodiment, the connecting structure is an external thread which is arranged on the cylindrical pipe section and is used for being in threaded connection with the connecting pipe. In other embodiments, the connection structure is an internal thread provided on the cylindrical pipe section for threaded connection with a connection pipe.

The utility model discloses embodiment 4 of well heating radiator:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the distance between two opposite side surfaces of two adjacent rear convex rings is equal to the axial width of one hoop. In this embodiment, the distance between the two opposite side surfaces of the two adjacent rear convex rings is smaller than the axial width of one hoop.

The utility model discloses embodiment 5 of well heating radiator:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the distance between two opposite side surfaces of two adjacent rear convex rings is equal to the axial width of one hoop. In this embodiment, the distance between two opposite side surfaces of two adjacent rear convex rings is slightly larger than the axial width of a clamp, and the distance between two opposite side surfaces of two adjacent rear convex rings is smaller than the axial width of the clamp, so as to ensure that the fastening force of the clamp can act on the two adjacent rear convex rings.

The utility model discloses embodiment 6 of well heating radiator:

the difference between this embodiment and embodiment 1 is that, in embodiment 1, there are even number of rear protruding rings, the number of which is equal to four, two adjacent rear protruding rings form a group, and there are two clips, and each clip is used for being sleeved and fixed outside two rear protruding rings in each group. In the embodiment, the number of the rear convex rings is even and equal to four, only one hoop is arranged, and the hoop is used for being sleeved and fixed outside the four rear convex rings.

The utility model discloses embodiment 7 of well heating radiator:

the difference between this embodiment and embodiment 1 is that in embodiment 1, an even number of rear protruding rings are provided, and the number of the rear protruding rings is equal to four. In this embodiment, the number of the rear convex rings is six, and the number of the corresponding hoops is three. In other embodiments, the number of the rear convex rings can be eight, ten or more, as long as the axial length of the cylindrical pipe section can meet the setting number of the rear convex rings, and the number of the clamping bands is half of the corresponding number of the rear convex rings.

The utility model discloses embodiment 8 of well heating radiator:

the difference between this embodiment and embodiment 1 is that in embodiment 1, a clip is used to be fixed on the outer portion of two adjacent rear convex rings. In this embodiment, the clamp is used for being fixed on the outside of a rear convex ring in a sleeving manner, and an annular groove matched with the rear convex ring is formed in the inner circumferential surface of the clamp.

The utility model discloses embodiment 9 of well heating radiator:

the difference between this embodiment and embodiment 1 is that in embodiment 1, a clip is used to be fixed on the outer portion of two adjacent rear convex rings. In this embodiment, the clip is fixed to the outside of a rear protruding ring, and the inner circumferential surface of the clip is a smooth surface.

The utility model discloses embodiment 10 of well heating radiator:

the difference between this embodiment and embodiment 1 is that in embodiment 1, four rear protruding rings are provided, two clips are provided, and one clip corresponds to two rear protruding rings. In this embodiment, only one rear protruding ring is provided, and a clip is fixed to the outside of one rear protruding ring.

The utility model discloses embodiment 11 of well heating radiator:

the difference between this embodiment and embodiment 1 is that, in embodiment 1, the clip is used to be fixed on the outer portions of two adjacent rear convex rings, and the inner peripheral surface of the clip is a smooth surface. In this embodiment, the clamp is used for being sleeved and fixed outside two adjacent rear convex rings, and an annular groove corresponding to and adapted to each rear convex ring is formed in the inner circumferential surface of the clamp.

The utility model discloses embodiment 12 of well heating radiator:

the difference between this embodiment and embodiment 1 is that in embodiment 1, a clip is used to be fixed on the outer portion of two adjacent rear convex rings. In this embodiment, the clamp has a larger axial width, and the clamp is used for being sleeved and fixed outside all the rear convex rings.

The utility model discloses embodiment 13 of well heating radiator:

the difference between the present embodiment and embodiment 1 is that in embodiment 1, one clamp is used for being sleeved and fixed outside two rear convex rings, and an even number of rear convex rings are provided. In this embodiment, a clip is used to be fixed to the outside of a rear protruding ring, in which case, the number of the rear protruding rings may be odd.

The utility model discloses well pipe joint subassembly's embodiment: the specific structure of the pipe joint assembly is the same as that of the pipe joint assembly in the above-described heating radiator embodiment, and will not be described again.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pipe joint subassembly, including clamp (40) and coupling (20), coupling (20) include that the axis extends along the cylinder pipeline section (21) of fore-and-aft direction, the rear end of cylinder pipeline section (21) is provided with the connection structure who is used for with business turn over water equipment fixed connection, cylinder pipeline section (21) are including being used for inserting the insertion section in rubber tube (30), the terminal surface of insertion section is the preceding terminal surface of cylinder pipeline section (21), the insertion section epirelief is equipped with the bulge loop that is used for with the inner wall interference fit of rubber tube (30), a serial communication port, the bulge loop includes by preceding bulge loop (22) and at least one back bulge loop (23) of arranging in proper order backward, the external diameter of back bulge loop (23) is less than or equal to the external diameter of preceding bulge loop (22), clamp (40) are used for the cover to establish the outside of fixing at back bulge loop (23) and rubber tube (30).

2. A pipe joint assembly according to claim 1, wherein the rear male rings (23) are provided with at least two, and the clips (40) are adapted to be fitted and fixed to the outside of the hose (30) and the at least two rear male rings (23).

3. The pipe joint assembly according to claim 2, wherein the inner circumferential surface of the yoke (40) is a smooth cylindrical surface.

4. A pipe joint assembly according to any one of claims 1 to 3, wherein the axial width of the rear male ring (23) is smaller than the axial width of the front male ring (22).

5. A pipe joint assembly according to any one of claims 1 to 3, wherein the rear protruding rings (23) are provided in an even number and are four or more in number, two adjacent rear protruding rings (23) form one group, and the clamping band (40) is provided in a plurality and is respectively configured to be fixed on the outer portion of each group of rear protruding rings (23).

6. A pipe joint assembly according to claim 5, wherein the distance between the opposite sides of two rear flanges (23) of a set is less than or equal to the axial width of a band (40).

7. A pipe joint assembly according to claim 1, wherein said clip (40) is adapted to be fitted around and secured to the exterior of the hose (30) and one of said rear collars (23).

8. A pipe joint assembly according to claim 7, wherein the band (40) is provided at an inner circumferential surface thereof with an annular groove adapted to the rear flange (23).

9. A heating radiator comprising water inlet and outlet means having an inlet for water to flow in and an outlet for water to flow out, pipe joint assemblies being mounted at both the inlet and the outlet, characterised in that the pipe joint assemblies are identical to the pipe joint assemblies of any one of claims 1 to 8.

10. The heating radiator according to claim 9, wherein the inlet and the outlet are provided with connecting pipes, and the connecting structure in the pipe joint assembly is a fixed section which is arranged on the cylindrical pipe section (21) and is used for inserting or inserting the connecting pipes into the connecting pipes and is welded and fixed with the connecting pipes.