CN210890476U - Adapter lining - Google Patents

Abstract

The utility model belongs to the technical field of the body adapter, especially, relate to an adapter inside lining. Including setting up in the adapter can rather than the complex go up inside lining and lower inside lining, go up inside lining and lower inside lining and make by polytetrafluoroethylene and go up the inside lining and link to each other through the hot melt with lower inside lining, it includes first body to go up the inside lining, first body upper end is equipped with the second body that is logical end bowl form, second body lower extreme links to each other and integrated into one piece with first body upper end, second body upper end is equipped with the outside and follows just second body and last outside along integrated into one piece, it is equipped with outer step on the outside along going up, the inside lining includes down the body down, it links to each other through the hot melt with first body lower extreme to go down body upper end, it follows just down the outside along integrated into one piece down to be equipped with down the outside down the outer end down, first body and. Compared with the prior art, the adapter inner liner has the advantages that: 1. reasonable in design, sound construction can increase of service life.

Description

Adapter lining

Technical Field

The utility model belongs to the technical field of the body adapter, especially, relate to an adapter inside lining.

Background

When the different sizes of body link to each other, need use the adapter. However, the conventional adapter is made of a metal material, so that the adapter is easily corroded during use. Accordingly, there is a need for an adapter liner that can extend the service life of the adapter.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a reasonable in design, sound construction, adapter inside lining that can increase of service life.

In order to achieve the purpose, the adapter inner liner is characterized by comprising an upper inner liner and a lower inner liner which are arranged in the adapter and can be matched with the adapter, the upper lining and the lower lining are made of polytetrafluoroethylene and are connected by hot melting, the upper inner liner comprises a first pipe body, a second pipe body which is in a through bottom bowl shape is arranged at the upper end of the first pipe body, the lower end of the second pipe body is connected with the upper end of the first pipe body and is integrally formed, the upper end of the second pipe body is provided with an upper outer side edge, and the second pipe body and the upper outer side edge are integrally formed, the upper outer side edge is provided with an upper outer step, the lower lining comprises a lower pipe body, the upper end of the lower pipe body is connected with the lower end of the first pipe body through hot melting, the outer end of the lower pipe body is provided with a lower outer side edge, the lower pipe body and the lower outer side edge are integrally formed, and the pipe diameters of the first pipe body and the lower pipe body are matched.

In the adapter lining, a connecting and reinforcing structure is further arranged between the upper lining and the lower lining.

In foretell adapter inside lining, the connection reinforced structure including set up in the reinforcement of first body lower extreme step, lower body upper end be equipped with can with consolidate in the step complex consolidate outer step, the reinforcement in the step with consolidate outer step hot melt and link to each other.

In foretell adapter inside lining, the reinforcement in be equipped with first ring groove on the step, the reinforcement outside be equipped with on the step can with the first ring groove complex first ring card body, the reinforcement in still be equipped with the second ring card body that is located first ring groove outer end on the step, the reinforcement outside be equipped with on the step can with second ring card body complex second ring groove.

In foretell adapter inside lining, the reinforcement in be equipped with annular arc inner chamfer on the step the inner, the reinforcement outer step outer end on be equipped with the outer chamfer of arc inner chamfer complex arc.

In foretell adapter inside lining, the lower outside along being equipped with outer retaining ring on the periphery, the lower outside along and outer retaining ring link to each other and integrated into one piece.

In foretell adapter inside lining, the length of first body be greater than the length of body down, first body outer wall on be equipped with at least one along evenly distributed and axial setting on the circumferencial direction can with adapter inner wall complex location convex body.

In the adapter lining, the positioning convex body extends towards the outer wall of the second pipe body to form an extending convex body.

In the adapter lining, the ratio of the length of the first pipe body to the length of the lower pipe body is 10: 1.

compared with the prior art, the adapter inner liner has the advantages that: 1. reasonable in design, sound construction can increase of service life. 2. Firm in connection, the reliability is strong. 3. The positioning is reliable, and the displacement is prevented.

Drawings

Fig. 1 is a schematic structural diagram provided by the present invention.

Fig. 2 is a schematic view of the installation structure provided by the present invention.

Fig. 3 is a schematic view of another viewing angle of the installation structure provided by the present invention.

In the figure, the adapter 1, the upper liner 2, the lower liner 3, the second pipe 22, the first pipe 21, the upper outer edge 23, the upper outer step 24, the lower pipe 31, the lower outer edge 32, the reinforced inner step 4, the reinforced outer step 5, the first annular groove 41, the first annular clamping body 51, the second annular clamping body 42, the arc inner chamfer 43, the second annular groove 52, the arc outer chamfer 53, the outer guard 321, the positioning protrusion 221, and the extending protrusion 222 are shown.

Detailed Description

As shown in fig. 1-3, the adapter inner liner includes an upper inner liner 2 and a lower inner liner 3 which can be matched with the adapter 1, the upper inner liner 2 and the lower inner liner 3 are made of polytetrafluoroethylene and the upper inner liner 2 and the lower inner liner 3 are connected through hot melting, the upper inner liner 2 includes a first tube 21, a second tube 22 in a through bowl shape is arranged at the upper end of the first tube 21, the lower end of the second tube 22 is connected with the upper end of the first tube 21 and is integrally formed, an upper outer side edge 23 and a second tube 22 and an upper outer side edge 23 are arranged at the upper end of the second tube 22, an upper outer step 24 is arranged on the upper outer side edge 23, the lower inner liner 3 includes a lower tube 31, the upper end of the lower tube 31 is connected with the lower end of the first tube 21 through hot melting, the outer end of the lower tube 31 is provided with a lower outer side edge 32 and the lower tube 31 and the lower outer side edge 32 are integrally.

More specifically, in order to improve the connection firmness, a connection reinforcing structure is arranged between the upper liner 2 and the lower liner 3; connect reinforced structure including setting up at the reinforcement inner step 4 of first body 21 lower extreme, lower body 31 upper end be equipped with can with consolidate inner step 4 complex reinforcement outer step 5, consolidate inner step 4 and consolidate outer step 5 hot melt and link to each other, improved the hot melt connection area.

For further improvement of connection firmness, a first annular clamping groove 41 is formed in the reinforcing inner step 4, a first annular clamping body 51 capable of being matched with the first annular clamping groove 41 is formed in the reinforcing outer step 5, a second annular clamping body 42 located at the outer end of the first annular clamping groove 41 is further arranged on the reinforcing inner step 4, and a second annular clamping groove 52 capable of being matched with the second annular clamping body 42 is formed in the reinforcing outer step 5.

Be convenient for the assembly and improve the fastness of connection, be equipped with annular arc inner chamfer 43 on consolidating the inner 4 inner, consolidate 5 outer ends of outer step and be equipped with arc inner chamfer 43 complex arc outer chamfer 53.

In order to prevent displacement and improve the connection firmness, an outer guard ring 321 is arranged on the periphery of the lower outer edge 32, and the lower outer edge 32 and the outer guard ring 321 are connected and integrally formed.

In order to facilitate positioning installation and prolong the service life, the length of the first pipe body 21 is greater than that of the lower pipe body 31, and at least one positioning convex body 221 which is uniformly distributed in the circumferential direction and can be matched with the inner wall of the adapter 1 is axially arranged on the outer wall of the first pipe body 21; the positioning convex body 221 extends towards the outer wall of the second tube 22 to form an extending convex body 222; the ratio of the length of the first tube 21 to the length of the lower tube 31 is 10: 1.

preferably, the outer wall of the first tube 21 is provided with three positioning protrusions 221 which are uniformly distributed along the circumferential direction and axially arranged to be capable of being matched with the inner wall of the adapter 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as the adapter 1, the upper liner 2, the lower liner 3, the second pipe 22, the first pipe 21, the upper outer rim 23, the upper outer step 24, the lower pipe 31, the lower outer rim 32, the reinforcement inner step 4, the reinforcement outer step 5, the first annular groove 41, the first annular clamping body 51, the second annular clamping body 42, the arc-shaped inner chamfer 43, the second annular groove 52, the arc-shaped outer chamfer 53, the outer protective ring 321, the positioning protrusion 221, and the extending protrusion 222 are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (9)

1. The utility model provides an adapter inside lining, characterized in that, including setting up in adapter (1) can link to each other rather than complex last inside lining (2) and lower inside lining (3), last inside lining (2) and lower inside lining (3) make by polytetrafluoroethylene and go up inside lining (2) and lower inside lining (3) and link to each other through the hot melt, last inside lining (2) including first body (21), first body (21) upper end be equipped with and be the second body (22) of leading to end bowl form, second body (22) lower extreme and first body (21) upper end link to each other and integrated into one piece, second body (22) upper end be equipped with the outside along (23) and second body (22) and go up the outside along (23) integrated into one piece, last outside along (23) on be equipped with outer step (24), lower inside lining (3) including down body (31), lower body (31) upper end and first body (21) lower extreme pass through the hot melt and link to each other, lower body (31) outer end be equipped with down outside along (32) and down body (31) and outer edge (32) integrated into one piece down, first body (21) and body (31) pipe diameter phase-match down.

2. An adapter lining according to claim 1, characterized in that a connection reinforcement structure is provided between the upper lining (2) and the lower lining (3).

3. The adapter lining as claimed in claim 2, wherein said connecting reinforcement structure comprises a reinforcing inner step (4) provided at the lower end of the first tube (21), said lower tube (31) having at its upper end a reinforcing outer step (5) capable of cooperating with the reinforcing inner step (4), said reinforcing inner step (4) and said reinforcing outer step (5) being thermally fused to each other.

4. The adapter lining according to claim 3, wherein the reinforcing inner step (4) is provided with a first annular clamping groove (41), the reinforcing outer step (5) is provided with a first annular clamping body (51) capable of being matched with the first annular clamping groove (41), the reinforcing inner step (4) is further provided with a second annular clamping body (42) located at the outer end of the first annular clamping groove (41), and the reinforcing outer step (5) is provided with a second annular clamping groove (52) capable of being matched with the second annular clamping body (42).

5. An adapter lining according to claim 4, characterized in that the inner end of the reinforcing inner step (4) is provided with an annular inner arc-shaped chamfer (43), and the outer end of the reinforcing outer step (5) is provided with an outer arc-shaped chamfer (53) which is matched with the inner arc-shaped chamfer (43).

6. The adapter liner according to claim 1, 2, 3 or 4, wherein the outer protective ring (321) is disposed on the periphery of the lower outer rim (32), and the lower outer rim (32) is connected to the outer protective ring (321) and is integrally formed therewith.

7. An adapter lining according to claim 1 or 2 or 3 or 4, characterized in that the length of the first tube (21) is greater than the length of the lower tube (31), and the outer wall of the first tube (21) is provided with at least one positioning protrusion (221) which is uniformly distributed in the circumferential direction and is axially arranged to be capable of being matched with the inner wall of the adapter (1).

8. The adapter liner according to claim 7, wherein the positioning projection (221) extends toward the outer wall of the second tube (22) to form an extension projection (222).

9. An adapter plug lining according to claim 7, wherein the ratio of the length of the first tube (21) to the length of the lower tube (31) is 10: 1.

Images