CN215635675U

CN215635675U - Flexible mounting connecting piece of PVC-U tubular product

Info

Publication number: CN215635675U
Application number: CN202121757074.1U
Authority: CN
Inventors: 章殿安; 李民
Original assignee: Kunshan Miao Ting Pipe Industry Co ltd
Current assignee: Kunshan Miao Ting Pipe Industry Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-25
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a flexible installation connecting piece of a PVC-U pipe, which relates to the technical field of installation connecting pieces and comprises a rubber sealing ring, wherein two fixing snap rings are fixedly installed on two sides of the rubber sealing ring, fixing blocks are fixedly installed outside the fixing snap rings, clamping columns which are uniformly distributed are arranged on the inner sides of the fixing snap rings, and a spring is fixedly connected between the two fixing blocks. The flexible mounting connecting piece of the PVC-U pipe is used by matching the fixed snap ring, the clamping column, the fixed block and the spring, after the flexible mounting connecting piece of the PVC-U pipe is sleeved outside the PVC-U pipe, the fixed snap ring and the fixed block can approach each other under the action of spring force and clamp the pipe, and the clamping column can be embedded into a fixed port formed outside the pipe, so that the two ends of the rubber sealing ring can be stably connected with the outer surface of the pipe, and the flexible mounting connecting piece of the PVC-U pipe is effectively prevented from falling off after being mounted.

Description

Flexible mounting connecting piece of PVC-U tubular product

Technical Field

The utility model relates to the technical field of mounting connecting pieces, in particular to a flexible mounting connecting piece for a PVC-U pipe.

Background

The PVC-U pipeline is made up by using sanitary polyvinyl chloride resin as main raw material, adding proper quantity of stabilizing agent, lubricating agent, filling agent and colouring agent, extruding and forming by means of plastic extruder and injection moulding by means of injection moulding machine, cooling, solidifying, forming, checking and packaging so as to implement the production of pipe material and pipe fitting, and its physical and chemical properties are good, chemical corrosion resistance, impact strength is high, fluid resistance is small, flow rate is raised by 30% compared with that of cast iron pipe with same bore, it is ageing-resistant and long in service life, and when the PVC-U pipelines are connected, they are usually connected by means of flexible connecting piece, so that it can effectively eliminate the action of thermal expansion and cold contraction of the pipeline.

However, the common flexible connecting piece in the market still has certain defects when in use, firstly, the common flexible connecting piece and the pipeline are not stable enough in a connecting and fixing mode and are easy to fall off, and secondly, the operation steps of the common flexible connecting piece during installation still have a simplified space, so that the flexible installation connecting piece of the PVC-U pipe is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a flexible mounting connecting piece of a PVC-U pipe, which solves the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a flexible mounting connecting piece of PVC-U tubular product, includes rubber seal ring, the equal fixed mounting in both sides of rubber seal ring has two fixed snap rings, fixed snap ring's outside fixed mounting has the fixed block, and the inboard evenly distributed's that is provided with of fixed snap ring joint post, two fixedly connected with spring between the fixed block, and fixedly connected with elastic sleeve between two fixed blocks.

Optionally, the fixing clamp ring is C-shaped and made of stainless steel.

Optionally, the rubber sealing ring is made of elastic rubber, and the thickness value of the rubber sealing ring is smaller than that of the fixed snap ring.

Optionally, the fixed block is made of metal, and waterproof paint is coated on the outer portion of the fixed block.

Optionally, the elastic sleeve is hollow inside, and wraps the spring outside.

Optionally, the spring is made of metal, and the spring is in a stretching state.

The utility model provides a flexible mounting connecting piece of a PVC-U pipe, which has the following beneficial effects:

1. the flexible mounting connecting piece of the PVC-U pipe is used by matching the fixed snap ring, the clamping column, the fixed block and the spring, after the flexible mounting connecting piece of the PVC-U pipe is sleeved outside the PVC-U pipe, the fixed snap ring and the fixed block can approach each other under the action of spring force and clamp the pipe, and the clamping column can be embedded into a fixed port formed outside the pipe, so that the two ends of the rubber sealing ring can be stably connected with the outer surface of the pipe, and the flexible mounting connecting piece of the PVC-U pipe is effectively prevented from falling off after being mounted.

2. The flexible mounting connecting piece of the PVC-U pipe is used by matching the rubber sealing ring with the fixed snap rings, the elastic sleeve and the spring, so that in the mounting process of the flexible mounting connecting piece of the PVC-U pipe, a worker can pull the two fixed snap rings on the same side to separate the two fixed snap rings, the elastic sleeve and the spring are driven to stretch when the two fixed snap rings are separated, the rubber sealing ring is deformed, the fixed snap rings are sleeved at the fixed positions of the pipe and then loosened, the fixed snap rings can reset under the elastic action of the elastic sleeve and the spring and are matched with the rubber sealing ring to connect and fix the pipe, and the mounting step of the flexible mounting connecting piece of the PVC-U pipe is greatly simplified.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a rubber sealing ring and a fixing snap ring according to the present invention;

FIG. 3 is a schematic view of the interior of the elastic sleeve of the present invention;

FIG. 4 is a schematic view of the external structure of the retaining ring of the present invention.

In the figure: 1. a rubber seal ring; 2. fixing the snap ring; 3. a fixed block; 4. a clamping column; 5. an elastic sleeve; 6. a spring.

Detailed Description

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

Referring to fig. 1 to 2, the present invention provides a technical solution: a flexible installation connecting piece of a PVC-U pipe comprises a rubber sealing ring 1, two fixing snap rings 2 are fixedly installed on two sides of the rubber sealing ring 1, the fixing snap rings 2 are C-shaped, the fixing snap rings 2 are made of stainless steel, the C-shaped fixing snap rings 2 can ensure the attaching effect of the fixing snap rings 2 and the surface of the pipe, so that clamping columns 4 can be embedded into fixing holes formed in the outer portion of the pipe, the stability of connection and fixation between the fixing snap rings 2 and the pipe is further ensured, the fixing snap rings 2 are made of stainless steel and can prevent corrosion on the premise of ensuring the self structural strength, the rubber sealing ring 1 is made of elastic rubber, the thickness value of the rubber sealing ring 1 is smaller than that of the fixing snap rings 2, the rubber sealing ring 1 is made of elastic rubber, so that the rubber sealing ring 1 can expand the self diameter through self deformation, thereby be convenient for rubber seal ring 1 cup joints in the outside of tubular product, and rubber seal ring 1 can deal with the expend with heat and contract with cold of tubular product through the deformation of self, guarantee that rubber seal ring 1 closely laminates with the connection position of tubular product all the time, the thickness value of rubber seal ring 1 is less than the thickness value of fixed snap ring 2 and can guarantee the fixed effect of fixed snap ring 2 to rubber seal ring 1, the outside fixed mounting of fixed snap ring 2 has fixed block 3, and the inboard joint post 4 of evenly distributed that is provided with of fixed snap ring 2.

Referring to fig. 3 to 4, a spring 6 is fixedly connected between two fixing blocks 3, an elastic sleeve 5 is fixedly connected between the two fixing blocks 3, the fixing blocks 3 are made of metal, waterproof paint is coated on the outer portions of the fixing blocks 3, the fixing blocks 3 can assist in clamping and fixing between the two fixing snap rings 2, space is provided for installing the spring 6 and the elastic sleeve 5, the fixing blocks 3 are made of metal in order to ensure the stability of the fixing effect of the fixing blocks 3, and meanwhile, the waterproof paint is coated on the outer portions of the fixing blocks 3 in order to prevent the fixing blocks 3 from being rusted in a long-term outdoor working environment, the spring 6 is made of metal, the spring 6 is in a stretching state, when a pipe is connected, a worker can pull the two fixing snap rings 2 to separate the two fixing snap rings 2 and drive the elastic sleeve 5 and the spring 6 to stretch, the fixing snap rings 2 are sleeved on the fixing positions of the pipe and then released, fixed snap ring 2 can reset under the elastic force effect of elastic sleeve 5 and spring 6, and make rubber seal ring 1 cup joint the junction outside between tubular product, spring 6 adopts the metal to make and can guarantee its elastic strength, spring 6 is in tensile state can guarantee that fixed snap ring 2 closely laminates with the surface of tubular product after the completion cup joints, the inside cavity of elastic sleeve 5, and elastic sleeve 5 wraps up in spring 6's outside, elastic sleeve 5 can assist connection and centre gripping effect between two fixed snap rings 2 through fixed block 3 on the one hand, on the other hand can protect spring 6 that lies in elastic sleeve 5 inside, prevent that spring 6 from producing the damage because of the corrosion.

To sum up, this flexible installation connecting piece of PVC-U tubular product, during the use, stimulate two fixed snap rings 2 with one side, make two fixed snap ring 2 separation, drive elastic sleeve 5 and spring 6 tensile when two fixed snap ring 2 separate, rubber seal ring 1 produces deformation along with the motion of fixed snap ring 2, loosen fixed snap ring 2 after cup jointing the fixed position of tubular product, fixed snap ring 2 resets under the elastic force effect of elastic sleeve 5 and spring 6, simultaneously, the inboard joint post 4 embedding of fixed snap ring 2 is in the outside fixed port of tubular product, rubber seal ring 1 resumes original shape, and cooperate fixed snap ring 2 to connect fixedly to tubular product, accomplish the use of the flexible installation connecting piece of whole PVC-U tubular product, can.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible erection connecting piece of PVC-U tubular product, includes rubber seal ring (1), its characterized in that: the equal fixed mounting in both sides of rubber seal ring (1) has two fixed snap ring (2), the outside fixed mounting of fixed snap ring (2) has fixed block (3), and the inboard evenly distributed's that is provided with of fixed snap ring (2) joint post (4), two fixedly connected with spring (6) between fixed block (3), and fixedly connected with elastic sleeve (5) between two fixed block (3).

2. The flexible mounting connector for PVC-U pipes according to claim 1, characterized in that: the fixing clamping ring (2) is C-shaped, and the fixing clamping ring (2) is made of stainless steel.

3. The flexible mounting connector for PVC-U pipes according to claim 1, characterized in that: the rubber sealing ring (1) is made of elastic rubber, and the thickness value of the rubber sealing ring (1) is smaller than that of the fixed clamping ring (2).

4. The flexible mounting connector for PVC-U pipes according to claim 1, characterized in that: the fixing block (3) is made of metal, and waterproof paint is coated on the outer portion of the fixing block (3).

5. The flexible mounting connector for PVC-U pipes according to claim 1, characterized in that: the elastic sleeve (5) is hollow, and the elastic sleeve (5) is wrapped outside the spring (6).

6. The flexible mounting connector for PVC-U pipes according to claim 1, characterized in that: the spring (6) is made of metal, and the spring (6) is in a stretching state.