A pvdf straight through connector

Abstract

The utility model relates to the technical field of pipe connection, disclose a PVDF straight -through connecting stick, including the three -way, the surface fixed sleeve connection of three -way has the connecting mechanism, the connecting mechanism includes the fixed ring, bolt and conical head, the surface fixed sleeve connection of three -way has the fixed ring, the left side and the right side of fixed ring back end all have bolt through the thread movable joint, the front end of bolt penetrates the front end thread connection of fixed ring and has conical head, in the utility model, through the setting of fixed ring, bolt and conical head, can make the conical head insert in the junction of three -way, the conical head sinks into the inside of three -way and makes it closely fixed ring, at this time, the bolt is taken out and rotates and passes through the inside of fixed ring and enters the conical head tap hole, makes the conical head install on the surface of fixed ring through bolt, to this realizes the conical head and three -way complete connection, the installation operation of subsequent pipe fitting is assisted, avoids the phenomenon that external assembly appears loose for a long time.

Description

Technical Field

[0001] This utility model relates to the field of pipe connection technology, and in particular to a PVDF straight connecting rod. Background Technology

[0002] A PVDF straight connector is a pipe fitting made of polyvinylidene fluoride and used to achieve a straight connection between pipes or fittings.

[0003] The compression fitting type is the mainstream form of PVDF straight connector rod. However, it is prone to loosening and falling off after prolonged use, which reduces the safety of the PVDF straight connector rod connection.

[0004] To address this issue, a PVDF straight-through connecting rod is proposed. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a PVDF straight-through connector rod, which aims to improve the existing technology where the compression fitting type is the mainstream form of PVDF straight-through connector rod, which is prone to loosening and falling off after long-term use, thus reducing the safety of the PVDF straight-through connector rod connection.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A PVDF straight-through connector includes a tee. A connecting mechanism is fixedly sleeved on the surface of the tee. The connecting mechanism includes a retaining ring, a bolt, and a tapered head. The retaining ring is fixedly sleeved on the surface of the tee. Bolts are threadedly connected to the left and right sides of the back end of the retaining ring. The front end of the bolt passes through the front end of the retaining ring and is threadedly connected to the tapered head. The back end of the tapered head passes through the interior of the tee. A mating mechanism is inserted into the front end of the tapered head.

[0008] With the above technical solution, when in use, insert the tapered head into the connection of the tee. The tapered head is inserted into the interior of the tee and is made to fit tightly against the retaining ring. At this time, take out the bolt, rotate it through the retaining ring and into the inside of the tapered head screw hole. The tapered head is installed on the surface of the retaining ring by the bolt, thereby realizing the connection between the tapered head and the tee. This assists in the subsequent installation of pipe fittings and avoids the phenomenon of loosening of external components after long-term use.

[0009] As a further description of the above technical solution: the docking mechanism includes a pipe, an epoxy coating and a rubber coating. The front end of the conical head is inserted into the pipe, the back end of the pipe extends into the interior of the tee, the inner wall of the pipe is sprayed with an epoxy coating, the surface of the epoxy coating is bonded with a rubber coating, and a friction component is snapped into the inner side of the tee.

[0010] Through the above technical solution, the docking mechanism allows the pipe to be inserted by hand into the conical head. The pipe passes through the conical head and enters the interior of the tee. The protrusions on the inner wall of the tee increase frictional resistance, making it impossible for the pipe to come out. In addition, the epoxy layer and rubber coating on the inner wall of the pipe improve corrosion resistance, thus achieving installation and use and avoiding loosening after long-term use.

[0011] As a further description of the above technical solution: the friction assembly includes an elastic patch and a rubber protrusion. The elastic patch is snapped into the inner side of the tee. The left and right ends of the inner side of the elastic patch are fixedly connected to the rubber protrusion. The inner side of the rubber protrusion is in contact with the surface of the pipe.

[0012] Through the above technical solution, the friction component is designed so that when the pipe enters the interior of the tee, it will first come into contact with the rubber bump and elastic patch and be squeezed. As the elastic material of the rubber bump deforms, it increases the frictional resistance with the pipe, so as to make the pipe unable to detach easily.

[0013] As a further description of the above technical solution: the inner cavity of the tee is provided with an annular groove corresponding to the position of the conical head, and the annular groove is used in conjunction with the conical head.

[0014] The above technical solution, with its annular groove, assists the conical head in its operation and also serves to secure it, preventing leakage caused by gaps between the conical head and the tee connection.

[0015] As a further description of the above technical solution: buffer blocks are fixedly connected to the left and right sides of the inner wall of the tee, and there are several buffer blocks in a ring shape. The buffer blocks are used in conjunction with the tee.

[0016] Through the above technical solution, the setting of the buffer block can assist the tee in its operation and at the same time play a role in blocking the flow, avoiding the phenomenon of excessive impact and breakage caused by the high-speed flow of liquid inside the tee at the bend.

[0017] As a further description of the above technical solution: the rubber bump is trapezoidal in shape, there are several rubber bumps, and they are arranged in a ring. The rubber bumps are used in conjunction with the pipe.

[0018] Through the above technical solution, the setting of rubber bumps can assist the pipeline in its operation, while increasing frictional resistance and avoiding the phenomenon of loosening caused by uneven frictional force on the pipeline.

[0019] This utility model has the following beneficial effects:

[0020] This invention, through the arrangement of a fixing ring, bolt, and tapered head, allows the tapered head to be inserted into the connection of the tee. The tapered head is submerged inside the tee and tightly adheres to the fixing ring. At this point, the bolt is removed, rotated, and passes through the fixing ring into the screw hole of the tapered head. The bolt then mounts the tapered head onto the surface of the fixing ring, thus completing the connection between the tapered head and the tee. This assists in the subsequent installation of pipe fittings and prevents external components from loosening over time.

[0021] This invention utilizes a pipe, an epoxy coating, and a rubber coating to allow the pipe to be held and inserted into a tapered head. The pipe passes through the tapered head and enters the interior of the tee. The protrusions on the inner wall of the tee increase frictional resistance, preventing the pipe from coming loose. Furthermore, the epoxy and rubber coatings on the inner wall of the pipe enhance corrosion resistance, thus enabling successful installation and preventing loosening over time. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the tee structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the annular groove and buffer block of this utility model.

[0025] Figure 4 This is a schematic diagram of the structural pipe, epoxy coating, and rubber coating of this utility model;

[0026] Figure 5 This is a schematic diagram of the fixing ring, bolt, and conical head of the present invention.

[0027] Legend:

[0028] 1. Tee; 2. Connecting mechanism; 21. Retaining ring; 22. Bolt; 23. Conical head; 3. Connecting mechanism; 31. Pipe; 32. Epoxy coating; 33. Rubber coating; 4. Friction component; 41. Elastic patch; 42. Rubber protrusion; 5. Annular groove; 6. Buffer stop. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Reference Figure 1-5This utility model provides an embodiment of a PVDF straight-through connecting rod, including a tee 1. A connecting mechanism 2 is fixedly sleeved on the surface of the tee 1. The connecting mechanism 2 includes a fixing ring 21, a bolt 22, and a conical head 23. The fixing ring 21 is fixedly sleeved on the surface of the tee 1. Bolts 22 are threadedly connected to the left and right sides of the back end of the fixing ring 21. The front end of the bolt 22 passes through the front end of the fixing ring 21 and is threadedly connected to the conical head 23. The back end of the conical head 23 passes through the interior of the tee 1. A docking mechanism 3 is inserted into the front end of the conical head 23. In use, the conical head 23 is inserted at the connection point of the tee 1. The conical head 23 is submerged in the interior of the tee 1 and is tightly attached to the fixing ring 21. At this time, the bolt 22 is removed, rotated, passes through the fixing ring 21, and enters the interior of the threaded hole of the conical head 23. The conical head 23 is installed on the surface of the fixing ring 21 by the bolt 22, thereby realizing the connection between the conical head 23 and the tee 1, assisting in the subsequent installation of pipe fittings, and avoiding the loosening of external components after long-term use.

[0031] Reference Figure 1-5 The docking mechanism 3 includes a pipe 31, an epoxy coating 32, and a rubber coating 33. The front end of the conical head 23 is inserted into the pipe 31, and the back end of the pipe 31 extends into the interior of the tee 1. The inner wall of the pipe 31 is coated with an epoxy coating 32, and the surface of the epoxy coating 32 is bonded with a rubber coating 33. A friction component 4 is snapped into the inner side of the tee 1. Through the setting of the docking mechanism 3, the pipe 31 can be held and aligned with the conical head 23 for insertion. The pipe 31 passes through the conical head 23 and enters the interior of the tee 1. The protrusions on the inner wall of the tee 1 increase the frictional resistance, making it impossible for the pipe 31 to detach. This is further enhanced by the epoxy coating 32 and the rubber coating 33 on the inner wall of the pipe 31. The adhesive coating 33 improves corrosion resistance, thereby enabling installation and use and preventing loosening over time. The friction component 4 includes an elastic patch 41 and a rubber protrusion 42. The elastic patch 41 is snapped into the inside of the tee 1. The left and right ends of the inner side of the elastic patch 41 are fixedly connected to the rubber protrusion 42. The inner side of the rubber protrusion 42 contacts the surface of the pipe 31. Through the setting of the friction component 4, when the pipe 31 enters the interior of the tee 1, it can preferentially contact the rubber protrusion 42 and the elastic patch 41 and be squeezed. While the elastic material of the rubber protrusion 42 deforms, it increases the frictional resistance with the pipe 31, so as to prevent the pipe 31 from easily detaching.

[0032] Reference Figure 1-5An annular groove 5 is provided in the inner cavity of the tee 1, corresponding to the position of the conical head 23. The annular groove 5 works in conjunction with the conical head 23. The annular groove 5 assists the conical head 23 in its operation and also serves to fix it in place, preventing leakage caused by gaps at the connection between the conical head 23 and the tee 1. Buffer blocks 6 are fixedly connected to the left and right sides of the inner wall of the tee 1. There are several buffer blocks 6 arranged in a ring. The buffer blocks 6 work in conjunction with the tee 1. The buffer blocks 6 assist the tee 1 in its operation and also serve to block the flow, preventing excessive impact and breakage caused by high-speed liquid flow inside the tee 1 at the bend. The rubber protrusions 42 are trapezoidal in shape and are arranged in a ring. The rubber protrusions 42 work in conjunction with the pipe 31. The rubber protrusions 42 assist the pipe 31 in its operation and also increase frictional resistance, preventing loosening caused by uneven frictional force on the pipe 31.

[0033] Working principle: When in use, insert the tapered head 23 into the connection of the tee 1. The tapered head 23 fits into the annular groove 5 and is inserted into the interior of the tee 1, making it tightly against the fixing ring 21. At this time, take out the bolt 22, rotate it through the fixing ring 21 and into the screw hole of the tapered head 23. The tapered head 23 is installed on the surface of the fixing ring 21 by the bolt 22, thereby realizing the connection between the tapered head 23 and the tee 1, which assists in the subsequent installation of pipe fittings.

[0034] Then, holding the pipe 31, align it with the conical head 23 and insert it. The pipe 31 passes through the conical head 23 and enters the interior of the tee 1. It works with the protrusions on the inner wall of the tee 1 to increase frictional resistance. When the pipe 31 enters the interior of the tee 1, it first contacts the rubber protrusion 42 and the elastic patch 41 and is squeezed. The elastic material of the rubber protrusion 42 deforms, increasing the frictional resistance with the pipe 31, so that the pipe 31 cannot be easily detached. The resistance to the insertion of the pipe 31 prevents it from detaching. In addition, the epoxy coating 32 and rubber coating 33 on the inner wall of the pipe 31 improve the corrosion resistance, thus realizing the installation and use.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A PVDF straight-through connecting rod, comprising a tee (1), wherein a connecting mechanism (2) is fixedly sleeved on the surface of the tee (1), characterized in that: The connecting mechanism (2) includes a fixing ring (21), a bolt (22) and a conical head (23). The fixing ring (21) is fixedly sleeved on the surface of the tee (1). The left and right sides of the back end of the fixing ring (21) are connected to the bolt (22) by threads. The front end of the bolt (22) passes through the front end of the fixing ring (21) and is threaded to the conical head (23). The back end of the conical head (23) passes through the interior of the tee (1). The front end of the conical head (23) is inserted into the docking mechanism (3).

2. The PVDF straight-through connecting rod according to claim 1, characterized in that: The docking mechanism (3) includes a pipe (31), an epoxy coating (32) and a rubber coating (33). The front end of the conical head (23) is inserted into the pipe (31). The back end of the pipe (31) extends into the interior of the tee (1). The inner wall of the pipe (31) is coated with an epoxy coating (32). The surface of the epoxy coating (32) is bonded with a rubber coating (33). The inner side of the tee (1) is fitted with a friction assembly (4).

3. A PVDF straight-through connecting rod according to claim 2, characterized in that: The friction assembly (4) includes an elastic patch (41) and a rubber bump (42). The elastic patch (41) is snapped into the inner side of the tee (1). The left and right ends of the inner side of the elastic patch (41) are fixedly connected to the rubber bump (42). The inner side of the rubber bump (42) is in contact with the surface of the pipe (31).

4. A PVDF straight-through connecting rod according to claim 1, characterized in that: The inner cavity of the tee (1) and the position corresponding to the conical head (23) are provided with an annular groove (5), which is used in conjunction with the conical head (23).

5. A PVDF straight-through connecting rod according to claim 1, characterized in that: The left and right sides of the inner wall of the tee (1) are fixedly connected with buffer blocks (6). There are several buffer blocks (6) and they are arranged in a ring. The buffer blocks (6) are used in conjunction with the tee (1).

6. A PVDF straight-through connecting rod according to claim 3, characterized in that: The rubber bump (42) is trapezoidal in shape, and there are several rubber bumps (42) arranged in a ring. The rubber bumps (42) are used in conjunction with the pipe (31).

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