CN217714057U - Bellows connects leak protection structure - Google Patents

Abstract

The utility model discloses a bellows joint leak protection structure, including connecting main part, body, pressing from both sides tight connection structure, seal structure and locking structure that moves, the mobile cavity has been seted up to the inside that connects the main part, the bottom department that connects the main part sets up the groove that clamps that extends to in its inside, the outside department that connects the main part is provided with the external screw thread, it is located between external screw thread and the mobile cavity to clamp the groove, the outside top diameter of external screw thread is less than its outside bottom diameter, both sides department all sets up tangible variable groove around the external screw thread, the top of body with clamp groove block and be connected, it installs in the external screw thread department that connects the main part to press from both sides tight connection structure, seal structure installs in the inside that clamps the groove, just the laminating butt of inner wall department of seal structure and body. The utility model discloses with the bellows connection back, the leakproofness is better, and the junction is difficult not hard up, has effectually avoided appearing the seepage condition and has influenced normal use, and the practicality is higher.

Description

Bellows connects leak protection structure

Technical Field

The utility model relates to a bellows field specifically is a bellows joint leak protection structure.

Background

The bellows mainly includes metal bellows, ripple expansion joint, ripple heat exchange tube, diaphragm bellows and metal collapsible tube etc, metal bellows mainly is applied to compensation pipeline heat altered shape, the shock attenuation, effect such as absorption pipeline subsides deformation, wide application in petrochemical industry, the instrument, the space flight, chemical industry, electric power, cement, trade such as metallurgy, other material bellows such as plastics are carried at the medium, the electric power threading, the lathe, other material bellows such as household electrical appliances have irreplaceable effect, and in some liquid transport work, just need use the bellows, the bellows is when being connected with other mouths of pipe, need use bellows joint.

However, the existing corrugated pipe joint has the following disadvantages:

although the corrugated pipe joint can adopt the mode of wrapping the waterproof adhesive tape to assist sealing when the corrugated pipe is communicated and connected with other pipe orifices, the leakage condition caused by insufficient sealing performance is easy to occur at the joint of the corrugated pipe joint and the corrugated pipe, so that the normal use of the corrugated pipe joint can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bellows joint leak protection structure to solve traditional bellows joint and though when being connected bellows and other mouth of pipe intercommunications, can adopt the mode of waterproof sticky tape kinking and wrap up to come supplementary sealed, but the junction of bellows joint and bellows still easily appears the not enough and condition of seepage of leakproofness, thereby can influence its normal use problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bellows joint leak protection structure, includes joint main part, body, presss from both sides tight connection structure, seal structure and locking structure, the cavity that flows has been seted up to the inside of joint main part, the bottom department of joint main part sets up the groove that clamps that extends to in its inside, the outside department of joint main part is provided with the external screw thread, it is located between external screw thread and the cavity that flows to clamp the groove, the outside top diameter of external screw thread is less than its outside bottom diameter, the shape variable groove is all seted up to both sides department around the external screw thread, the top of body with clamp the groove block and be connected, it installs in the external screw thread department of joint main part to press from both sides tight connection structure, seal structure installs in the inside that clamps the groove, just seal structure and the laminating butt of the inner wall department of body, locking structure installs in the outside both sides department of joint main part.

Preferably, the joint body is made of a plastic material.

Preferably, the clamping connection structure comprises a clamping nut, and the clamping nut is installed at an external thread outside the joint main body through threaded connection.

Preferably, the sealing structure comprises a sealing cushion layer, the sealing cushion layer is annular, the sealing cushion layer is attached and fixed in the clamping groove, and the sealing cushion layer is attached and abutted to the inner wall of the pipe body.

Preferably, locking structure that moves is including extending piece and butt knob, it all is provided with two to extend piece and butt knob, two it is fixed respectively in the both sides department that connects the main part to extend the piece, two the one end of butt knob runs through the top of two extension pieces through threaded connection respectively, just the bottom of butt knob is located clamping nut's top department.

Preferably, the two extending blocks and the joint main body are designed in an integrated mode.

The utility model provides a bellows joint leak protection structure possesses following beneficial effect:

(1) The utility model discloses a be provided with and connect the main part, press from both sides tight connection structure and seal structure for when connecting main part and body and being connected, can insert the body earlier to clamping the groove, then rotate clamping nut, make it move down, tighten up until clamping nut drives the external screw thread part that connects the main part, and cooperate the inner wall department laminating butt of seal cushion and body, can effectually ensure to connect the leakproofness of being connected between main part and the body, the effectual body of having avoided appears in body and the joint main part junction the seepage condition.

(2) The utility model discloses a be provided with locking structure that moves up for after clamp nut rotates to move down to suitable position, can rotate two butt knobs, make it move down, until the one end of two butt knobs and clamp nut's top department laminating butt, can effectually avoid clamp nut to shift up by oneself and appear connecting the not hard up condition, thereby improved the body and connected the stability of being connected between the main part, the practicality is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic bottom view of the joint main body of the present invention;

fig. 3 is a schematic top view of the clamping nut of the present invention;

fig. 4 is an enlarged schematic view of a in fig. 1.

In the figure: 1. a connector body; 2. a tube body; 3. a flow cavity; 4. clamping grooves; 5. an external thread; 6. a deformation groove; 7. clamping the nut; 8. sealing the cushion layer; 9. an extension block; 10. abutting against the knob.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a bellows joint leak protection structure, includes joint main part 1, body 2, presss from both sides tight connection structure, seal structure and locking structure, the cavity that flows 3 has been seted up to the inside of joint main part 1, the bottom department of joint main part 1 sets up the groove 4 that clamps that extends to in its inside, the outside department of joint main part 1 is provided with external screw thread 5, clamp groove 4 and be located between external screw thread 5 and the cavity that flows 3, the outside top diameter of external screw thread 5 is less than its outside bottom diameter, shape variable groove 6 has all been seted up to both sides department around external screw thread 5, the top of body 2 is connected with clamping groove 4 block, it installs in the external screw thread 5 department of joint main part 1 to press from both sides tight connection structure, seal structure installs in the inside that clamps groove 4, and seal structure and the laminating of the inner wall department butt of body 2, locking structure installs in the outside both sides department of joint main part 1.

The joint main body 1 is made of a plastic material, so that the joint main body 1 has certain elastic deformation performance;

the clamping connection structure comprises a clamping nut 7, and the clamping nut 7 is installed at the external thread 5 outside the joint main body 1 through threaded connection, so that after the top of the pipe body 2 is inserted into the clamping groove 4, the clamping nut 7 can be rotated to move downwards, the bottom of the external thread 5 is driven to extrude inwards, and clamping fixed connection processing on the pipe body 2 is formed;

the sealing structure comprises a sealing cushion layer 8, the sealing cushion layer 8 is annular, the sealing cushion layer 8 is fixedly attached to the inside of the clamping groove 4, and the sealing cushion layer 8 is abutted to the inner wall of the pipe body 2, so that when the clamping nut 7 is rotated to clamp and fixedly connect the pipe body 2, the sealing cushion layer 8 can be matched to ensure the sealing performance of the connection part of the pipe body 2 and the joint main body 1, and the influence on normal use caused by the subsequent leakage condition is effectively prevented;

the anti-loosening structure comprises two extending blocks 9 and two abutting knobs 10, the two extending blocks 9 and the two abutting knobs 10 are respectively and fixedly located at two sides of the connector main body 1, one ends of the two abutting knobs 10 penetrate through the tops of the two extending blocks 9 through threaded connection respectively, and the bottom ends of the abutting knobs 10 are located above the clamping nut 7, so that after the clamping nut 7 is rotated to move down to a proper position, the two abutting knobs 10 can be rotated to move down until the bottoms of the two abutting knobs 10 are abutted to the upper end surface of the clamping nut 7, the clamping nut 7 can be effectively limited, the phenomenon that the clamping nut 7 moves up and becomes loose is effectively avoided, the connector main body 1 is not tightly connected with the pipe body 2, the connection stability is improved, and the practicability is high;

the two extending blocks 9 and the joint main body 1 are integrally designed, so that the extending blocks 9 and the joint main body 1 are not easy to break and separate;

it will be appreciated that after the clamping nut 7 is moved down into position, the two deformation grooves 6 at the external thread 5 are closed.

The working principle is as follows: after inserting body 2 top to clamping groove 4 inside, can rotate clamping nut 7, make it move down, thereby drive outside screw thread 5 bottom inwards and extrude, form the tight fixed connection processing of clamp to body 2, and when rotating clamping nut 7 and forming the tight fixed connection processing of clamp to body 2, can cooperate seal cushion 8, ensure the leakproofness of body 2 and joint main part 1 junction, the effectual follow-up seepage condition that appears that prevents influences normal use, and rotate clamping nut 7 and move down to suitable position after, can be through rotating two butt knobs 10, make it move down, until the bottom of two butt knobs 10 and the laminating butt of the upper end surface department of clamping nut 7, can carry out effectual spacing to clamping nut 7, thereby effectually avoid clamping nut 7 to appear moving up the not tight condition and cause and connect main part 1 and body 2 to be connected inseparable, the connection stability is improved, the practicality is higher.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims (6)

1. The utility model provides a bellows joint leak protection structure, includes joint main part (1), body (2), presss from both sides tight connection structure, seal structure and locking structure that moves, its characterized in that: the anti-loosening connector comprises a connector main body (1), a flowing cavity (3) is formed in the connector main body (1), a clamping groove (4) extending into the connector main body (1) is formed in the bottom of the connector main body, external threads (5) are arranged on the outer portion of the connector main body (1), the clamping groove (4) is located between the external threads (5) and the flowing cavity (3), the diameter of the top end of the outer portion of the external threads (5) is smaller than that of the bottom end of the outer portion of the external threads (5), deformation grooves (6) are formed in the front side and the rear side of the external threads (5), the top of a pipe body (2) is connected with the clamping groove (4) in a clamping mode, a clamping connection structure is installed on the external threads (5) of the connector main body (1), a sealing structure is installed in the clamping groove (4), the sealing structure is abutted to the inner wall of the pipe body (2), and an anti-loosening structure is installed on the two sides of the outer portion of the connector main body (1).

2. A bellows joint leakage prevention structure as claimed in claim 1, wherein: the joint main body (1) is made of plastic materials.

3. A bellows joint leakage prevention structure as claimed in claim 1, wherein: the clamping connection structure comprises a clamping nut (7), and the clamping nut (7) is installed at the external thread (5) outside the joint main body (1) through threaded connection.

4. A bellows joint leakage prevention structure as claimed in claim 1, wherein: the sealing structure comprises a sealing cushion layer (8), the sealing cushion layer (8) is annular, the sealing cushion layer (8) is attached and fixed in the inner part of the clamping groove (4), and the sealing cushion layer (8) is attached and abutted to the inner wall of the pipe body (2).

5. A bellows joint leakage prevention structure as claimed in claim 1, wherein: locking structure of moving is including extending piece (9) and butt knob (10), it all is provided with two, two to extend piece (9) and butt knob (10) extend piece (9) and fix the both sides department that is located joint main part (1) respectively, two the one end of butt knob (10) runs through the top of two extension pieces (9) through threaded connection respectively, just the bottom of butt knob (10) is located the top department of clamping nut (7).

6. A bellows joint leakage prevention structure as claimed in claim 5, wherein: the two extending blocks (9) and the joint main body (1) are integrally designed.

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