CN218378265U

CN218378265U - Wall elbow with improved structure

Info

Publication number: CN218378265U
Application number: CN202222907229.6U
Authority: CN
Inventors: 王培新; 洪勇
Original assignee: Wenling Hongsheng Copper Industry Co ltd
Current assignee: Wenling Hongsheng Copper Industry Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-24
Anticipated expiration: 2032-10-31

Abstract

The utility model provides a wall body elbow of improvement structure belongs to mechanical technical field. It has solved the inconvenient problem of equipment of current wall body elbow. The wall elbow with the improved structure comprises a body with a water inlet end and a water outlet end, wherein the axes of the water inlet end and the water outlet end are vertically arranged, a clamping sleeve with a barb inside is coaxially arranged in the water outlet end, a pressing cap which enables one end of the clamping sleeve to have an inward shrinkage trend is spirally connected in the water outlet end, the other end of the clamping sleeve extends towards the direction of the water inlet end to form a coaxially-formed annular pressing part, and the annular pressing part is tightly pressed on the inner wall of the water outlet end; the axial cross section of the annular pressing part is L-shaped, a sealing ring matched with the annular pressing part is coaxially clamped in the annular pressing part, the minimum inner diameter of the sealing ring is smaller than that of the annular pressing part, and two end faces of the sealing ring are respectively pressed on the water outlet end and the inner wall of the annular pressing part to form sealing. The wall elbow with the improved structure is convenient to assemble.

Description

Wall elbow with improved structure

Technical Field

The utility model belongs to the technical field of machinery, a wall body elbow, especially a wall body elbow of improvement structure is related to.

Background

The wall elbow is mainly used for the corner of the wall.

The existing wall elbow is an embedded wall elbow (application number: 202122382084.8) proposed by the applicant, and comprises a body with a water inlet end and a water outlet end, wherein the axes of the water inlet end and the water outlet end are vertically arranged, a connecting pipe is sleeved outside the water inlet end, the connecting pipe is in a straight pipe shape and is provided with internal threads, and the connecting pipe is connected with the water inlet end through threads; the outer wall of the connecting pipe is integrally formed with a convex block, and the convex block is provided with a first through hole which is axially arranged along the water inlet end in a penetrating manner and is used for installing a bolt.

In the wall elbow, the water outlet end is internally provided with an opening clamping ring and a gasket, wherein the opening clamping ring is clamped between the inner wall of the pressing cap and the gasket, and the gasket forms sealing with the inner wall of the water outlet end through an o-shaped ring. In the assembling process, the o-shaped ring, the gasket and the opening clamping ring are sequentially placed in the water outlet end, and the water outlet end is not internally provided with a guide structure for placing the opening clamping ring and the gasket, so that the positions of the opening clamping ring and the gasket need to be adjusted to a certain extent in actual assembly, but the opening clamping ring and the gasket are limited by the smaller inner diameter of the water outlet end, the adjusting process is inconvenient, and the whole assembly is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art, and provides a wall elbow with an improved structure and convenient assembly.

The purpose of the utility model can be realized by the following technical proposal: a wall elbow with an improved structure comprises a body with a water inlet end and a water outlet end, wherein the axes of the water inlet end and the water outlet end are vertically arranged, a clamping sleeve with a barb inside is coaxially arranged in the water outlet end, and a pressing cap which enables one end of the clamping sleeve to have an inward shrinkage trend is screwed in the water outlet end; the axial cross section of the annular pressing part is L-shaped, a sealing ring matched with the annular pressing part is coaxially clamped in the annular pressing part, the minimum inner diameter of the sealing ring is smaller than that of the annular pressing part, and two end faces of the sealing ring are respectively pressed on the water outlet end and the inner wall of the annular pressing part to form sealing.

The sealing ring is clamped in the annular pressing part and is integrated with the clamping sleeve, so that in actual assembly, only the combination of the clamping sleeve and the sealing ring needs to be arranged in the water outlet end and the pressing cap needs to be screwed, the internal installation procedure of the water outlet end is effectively reduced, and the clamping device has the advantages of convenience and easiness in assembly.

In the wall elbow with the improved structure, the end face of the annular pressing part is a first conical surface with the diameter gradually reduced from the water outlet end to the water inlet end, a second conical surface matched with the first conical surface is formed on the inner wall of the water outlet end, and the first conical surface is tightly pressed on the second conical surface, so that a sealing path formed between the clamping sleeve and the water outlet end can be prolonged, the sealing performance between the clamping sleeve and the water outlet end is improved, the clamping sleeve is guided to be installed, the clamping sleeve is installed in place at one time, and the assembly is convenient.

In the wall elbow with the improved structure, the inner wall of the annular pressing part is composed of the vertically arranged annular groove side face and the groove bottom face, the outer side face and the groove side face of the sealing ring are circumferential faces matched with each other and are in close contact with each other, so that the contact area between the sealing ring and the annular pressing part is effectively enhanced, the clamping degree of the sealing ring and the annular pressing part is improved, and the positioning effect of the sealing ring is enhanced.

In the wall elbow with the improved structure, the inner end of the pressing cap is sleeved outside the cutting sleeve, the inner wall of the inner end of the pressing cap is in close contact with the outer wall of the cutting sleeve, and the outer end of the pressing cap extends out of the water outlet end, so that the cutting sleeve is more convenient and stable to position.

In foretell wall body elbow of improvement structure, the lateral wall that the cutting ferrule kept away from the one end of annular splenium is the diameter by the play water end to the conical surface three that the end direction of intaking becomes gradually, and the shaping has the conical surface four that matches with conical surface three on the pressure cap inner wall, and conical surface four sticiss on conical surface three, so both can further strengthen the sealed effect that forms between cutting ferrule and the pressure cap, but also can strengthen cutting ferrule positioning strength and stability.

In the wall body elbow of foretell improvement structure, the shaping has the round protruding muscle on the cutting ferrule lateral wall, and protruding muscle is bar and length and extends along the cutting ferrule axial, and protruding muscle one end extends to on the annular splenium to strengthen annular splenium intensity, improve cutting ferrule overall structure stability and intensity.

In the wall elbow with the improved structure, the inner end surface of the pressing cap is tightly pressed on the other end of the convex rib so as to enhance the contact area between the pressing cap and the pressing sleeve and further improve the positioning strength and stability of the cutting sleeve.

In the wall elbow with the improved structure, the axial section of the inner wall of the sealing ring is arc-shaped, so that a pipe fitting connected with the water outlet end can smoothly pass through the sealing ring, and the assembly is further convenient.

Compared with the prior art, the wall elbow with the improved structure has the following advantages:

1. the sealing ring is clamped in the annular pressing part and forms a whole with the clamping sleeve, so that in the actual assembly process, only the combination of the clamping sleeve and the sealing ring needs to be arranged in the water outlet end and the pressing cap is screwed, the internal installation process of the water outlet end is effectively reduced, and the sealing ring clamping device has the advantages of convenience and easiness in assembly.

2. The protruding muscle of shaping on the cutting ferrule outer wall, protruding muscle one end extends to annular splenium, and the other end sticiss on pressing the cap to strengthen cutting ferrule overall structure intensity and positional stability simultaneously, thereby strengthen this elbow structural stability.

Drawings

Fig. 1 is a schematic structural view of a wall elbow with an improved structure.

Fig. 2 is an enlarged schematic view of a structure in fig. 1.

Fig. 3 is a schematic structural view of the ferrule.

In the figure, 1, a body; 1a, a water inlet end; 1b, a water outlet end; 1c, a water passing cavity; 2. a card sleeve; 2a, barbs; 2b, an annular pressing part; 2b1, groove flanks; 2b2, the bottom surface of the groove; 2c, a conical surface III; 2d, strip-shaped openings; 2e, a first conical surface; 2f, convex ribs; 3. pressing the cap; 3a, a conical surface IV; 4. and (5) sealing rings.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the wall elbow with the improved structure comprises a body 1 having a water inlet end 1a and a water outlet end 1b, wherein the water inlet end 1a and the water outlet end 1b are both in a tubular shape, the axes of the water inlet end 1a and the water outlet end 1b are vertically arranged, and a water passing cavity 1c for communicating the water inlet end 1a and the water outlet end 1b is further formed in the body 1.

Wherein the content of the first and second substances,

go out coaxial cutting ferrule 2 that has barb 2a inside being equipped with in water end 1b, it has the pressure cap 3 that makes cutting ferrule 2 one end have the internal crimp trend to go out the threaded connection of water end 1b, and the cutting ferrule 2 other end extends coaxial shaping annular splenium 2b to the end 1a direction of intaking, and annular splenium 2b and cutting ferrule 2 formula structure as an organic whole, and annular splenium 2b sticiss on a water end 1b inner wall. In the actual product, cutting ferrule 2 possesses elasticity, and preferred cutting ferrule 2 adopts stainless steel material to make. As shown in fig. 1 and 3, the axial cross section of the annular pressing portion 2b is L-shaped, a sealing ring 4 matched with the annular pressing portion 2b is coaxially clamped in the annular pressing portion 2b, the minimum inner diameter of the sealing ring 4 is smaller than the minimum inner diameter of the annular pressing portion 2b, and two end faces of the sealing ring 4 are respectively pressed on the inner walls of the water outlet end 1b and the annular pressing portion 2b to form sealing.

The sealing ring 4 is clamped in the annular pressing part 2b and is formed into a whole with the clamping sleeve 2, so that in the actual assembly process, only the combination of the clamping sleeve 2 and the sealing ring 4 needs to be arranged in the water outlet end 1b and the pressing cap 3 needs to be screwed, the internal installation process of the water outlet end 1b is effectively reduced, and the sealing ring clamping device has the advantages of convenience and easiness in assembly.

In the present embodiment, it is preferred that,

the installation mode of the sealing ring 4 is as follows: as shown in fig. 1 and fig. 2, the inner wall of the annular pressing portion 2b is composed of a vertically arranged annular groove side surface 2b1 and a groove bottom surface 2b2, and the outer side surface of the sealing ring 4 and the groove side surface 2b1 are circumferential surfaces matched with each other and are in close contact with each other, so that the contact area between the sealing ring 4 and the annular pressing portion 2b is effectively increased, the clamping degree between the sealing ring 4 and the annular pressing portion is improved, and the positioning effect of the sealing ring 4 is enhanced.

In practical products, the axial section of the inner wall of the sealing ring 4 is arc-shaped, so that a pipe fitting connected with the water outlet end 1b can smoothly pass through the sealing ring, and the assembly is further facilitated.

The contact mode of the pressing cap 3 and the cutting sleeve 2 is as follows: the inner end of the pressing cap 3 is sleeved outside the cutting ferrule 2, the inner wall of the inner end of the pressing cap 3 is in close contact with the outer wall of the cutting ferrule 2, and the outer end of the pressing cap 3 extends out of the water outlet end 1b. Further, the outer side wall of the end of the cutting sleeve 2 away from the annular pressing portion 2b is a conical surface three 2c with a diameter gradually increasing from the water outlet end 1b to the water inlet end 1a, and the conical surface three 2c extends to the end surface of the end of the cutting sleeve 2 away from the annular pressing portion 2 b. The inner wall of the pressing cap 3 is provided with a conical surface four 3a matched with the conical surface three 2c, and the conical surface four 3a is tightly pressed on the conical surface three 2c, so that the sealing effect formed between the cutting sleeve 2 and the pressing cap 3 can be further enhanced, and the positioning strength and stability of the cutting sleeve 2 can be enhanced. In the actual product, cutting ferrule 2 is provided with bar opening 2d on being close to the one end lateral wall of pressing cap 3, and bar opening 2d one end extends to cutting ferrule 2 and is close to on pressing the terminal surface of cap 3, and bar opening 2d other end seals, makes cutting ferrule 2 change the internal contraction.

As shown in fig. 2, the end surface of the annular pressing portion 2b is a conical surface one 2e, the diameter of which gradually decreases from the water outlet end 1b to the water inlet end 1a, a conical surface two matched with the conical surface one 2e is formed on the inner wall of the water outlet end 1b, and the conical surface one 2e is tightly pressed on the conical surface two, so that a sealing path formed between the cutting sleeve 2 and the water outlet end 1b can be extended, the sealing performance between the cutting sleeve and the water outlet end is improved, the installation of the cutting sleeve 2 is guided, the cutting sleeve 2 is installed in place at one time, and the assembly is convenient.

In this embodiment, integrated into one piece has round protruding muscle 2f on the 2 lateral walls of cutting ferrule, and protruding muscle 2f is bar and length and extends along 2 axial of cutting ferrule, and protruding muscle 2f one end extends to annular splenium 2b on to strengthen annular splenium 2b intensity, improve 2 overall structure stability of cutting ferrule and intensity. Further, the inner end surface of the pressing cap 3 is tightly pressed on the other end of the convex rib 2f to enhance the contact area between the pressing cap 3 and the pressing sleeve, and further improve the positioning strength and stability of the cutting sleeve 2.

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

Claims

1. A wall elbow with an improved structure comprises a body (1) with a water inlet end (1 a) and a water outlet end (1 b), wherein the axes of the water inlet end (1 a) and the water outlet end (1 b) are vertically arranged, a clamping sleeve (2) with an agnail (2 a) inside is coaxially arranged in the water outlet end (1 b), and a pressing cap (3) which enables one end of the clamping sleeve (2) to have an inward shrinkage trend is screwed in the water outlet end (1 b), and the wall elbow is characterized in that the other end of the clamping sleeve (2) extends to the direction of the water inlet end (1 a) to form a coaxially-formed annular pressing part (2 b), and the annular pressing part (2 b) is tightly pressed on the inner wall of the water outlet end (1 b); the axial cross section of the annular pressing part (2 b) is L-shaped, a sealing ring (4) matched with the annular pressing part is coaxially clamped in the annular pressing part (2 b), the minimum inner diameter of the sealing ring (4) is smaller than that of the annular pressing part (2 b), and two end faces of the sealing ring (4) are respectively pressed on the inner walls of the water outlet end (1 b) and the annular pressing part (2 b) to form sealing.

2. The improved structure of the wall elbow as claimed in claim 1, wherein the end surface of the annular pressing portion (2 b) is a first tapered surface (2 e) whose diameter gradually decreases from the water outlet end (1 b) to the water inlet end (1 a), a second tapered surface matching with the first tapered surface (2 e) is formed on the inner wall of the water outlet end (1 b), and the first tapered surface (2 e) is tightly pressed on the second tapered surface.

3. The improved structure of the wall elbow according to claim 1 or 2, characterized in that the inner wall of the annular pressing part (2 b) is composed of a groove side surface (2 b 1) and a groove bottom surface (2 b 2) which are vertically arranged and are annular, and the outer side surface of the sealing ring (4) and the groove side surface (2 b 1) are mutually matched circumferential surfaces and are in close contact with each other.

4. The improved wall elbow according to claim 1, wherein the inner end of the pressing cap (3) is sleeved outside the cutting sleeve (2), the inner wall of the inner end of the pressing cap (3) is tightly contacted with the outer wall of the cutting sleeve (2), and the outer end of the pressing cap (3) extends out of the water outlet end (1 b).

5. The improved wall elbow according to claim 4, wherein the outer side wall of the end of the ferrule (2) away from the annular pressing portion (2 b) is a conical surface III (2 c) with a diameter gradually increasing from the water outlet end (1 b) to the water inlet end (1 a), a conical surface IV (3 a) matched with the conical surface III (2 c) is formed on the inner wall of the pressing cap (3), and the conical surface IV (3 a) is tightly pressed on the conical surface III (2 c).

6. The improved wall elbow of claim 5, wherein a circle of ribs (2 f) are formed on the outer side wall of the ferrule (2), the ribs (2 f) are strip-shaped and extend axially along the ferrule (2), and one end of each rib (2 f) extends to the annular pressing portion (2 b).

7. The improved structure of wall elbow according to claim 6, wherein the inner end face of the pressing cap (3) is pressed against the other end of the rib (2 f).

8. The improved structure of wall elbow according to claim 3, wherein the axial section of the inner wall of the sealing ring (4) is circular arc.