CN211525742U

CN211525742U - Corrugated pipe connecting device

Info

Publication number: CN211525742U
Application number: CN201922179491.1U
Authority: CN
Inventors: 周龙; 周斌; 夏学才; 涂明刚; 姚文平; 杨祖华; 罗建华; 徐涛; 胡祥林; 段小和; 汤远辉
Original assignee: WUHAN HANGTIAN CORRUGATED PIPE CO Ltd
Current assignee: WUHAN HANGTIAN CORRUGATED PIPE CO Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-09-18
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a bellows connecting device relates to connecting device technical field, and it is not convenient enough for solving current bellows and connecting, and fixed effect is not too good, problem that sealing performance is poor. The connecting seat is installed to one side of connecting pipe, the opposite side of connecting seat is installed and is even inserted the inner tube, even insert the upper end of inner tube and install first buckle head, even insert the lower extreme of inner tube and install the second buckle head, even the externally mounted who inserts the inner tube has fixed stem, the fixing base is installed to one side of bellows, sealed rubber ring is installed to the opposite side of fixing base, bellows connector is installed to the opposite side of sealed rubber ring, even the externally mounted who inserts the inner tube has the sealing washer.

Description

Corrugated pipe connecting device

Technical Field

The utility model relates to a connecting device technical field specifically is a bellows connecting device.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction, is widely applied to instruments and meters, is mainly used as a measuring element of a pressure measuring instrument, converts pressure into displacement or force, has high sensitivity, ranges from tens of Pa to tens of MPa, is fixed at an opening end, is in a free state at a sealing end, utilizes an auxiliary spiral spring or a reed to increase elasticity, extends along the length direction of the pipe under the action of internal pressure during work, enables a movable end to generate displacement which has a certain relation with the pressure, and drives a pointer to directly indicate the pressure, is often combined with the displacement sensor to form a pressure sensor outputting electric quantity, and is sometimes used as an isolating element, and has lower response speed than that of a Bourdon pipe due to the requirement of larger volume change of the extension of the corrugated pipe, the corrugated pipe is suitable for measuring low pressure, the corrugated pipe is a tubular sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction, and in actual use, only one corrugated pipe is not used, but one corrugated pipe is required to be connected for use.

However, the existing corrugated pipes are inconvenient to connect, have poor fixing effect and poor sealing performance; thus, the existing needs are not met, and a bellows connection device is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bellows connecting device to the current bellows that provides in solving above-mentioned background art couples together inconvenient inadequately, and fixed effect is not too good, problem that sealing performance is poor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bellows connecting device, includes connecting pipe and bellows, the connecting seat is installed to one side of connecting pipe, the opposite side of connecting seat is installed and is even inserted the inner tube, even insert the upper end of inner tube and install first buckle head, even insert the lower extreme of inner tube and install the second buckle head, even the externally mounted who inserts the inner tube has fixed stem, the fixing base is installed to one side of bellows, sealed rubber ring is installed to the opposite side of fixing base, bellows connector is installed to the opposite side of sealed rubber ring, even the externally mounted who inserts the inner tube has the sealing washer.

Preferably, the inside of connecting seat is provided with the screw fixed slot, connect the inside intermediate position department of income inner tube and be provided with the connection opening.

Preferably, the upper end inside the fixing seat is provided with a first fixing clamping groove, and the lower end inside the fixing seat is provided with a second fixing clamping groove.

Preferably, the inside of bellows connector is provided with fixed stem fixed slot, the inside intermediate position department of bellows connector is provided with the bellows opening.

Preferably, the fixed core columns are provided with a plurality of fixed core columns which are distributed in sequence.

Preferably, the bellows connector is connected with the inner connecting pipe in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up fixed stem, fixed stem fixed slot, connect into inner tube and bellows connector, during the use, will connect into the inner tube and place into bellows connector, connect into the inner tube and can extend to the bellows connector inside, let connect more closely, stretch into fixed stem fixed slot with fixed stem and can carry out further fixed, ensured the stability of connection, and loading and unloading are convenient;

2. the utility model discloses a first buckle head has been set up, the second buckle head, first fixed slot, second fixed slot, sealing rubber ring and sealing washer, during the use, to connect into the back of installing the connection in the inner tube inserts the bellows connector, can go into the first fixed slot and the second fixed slot at fixing base both ends with the first buckle head and the second buckle head card of connecting seat both ends respectively with sharp-nosed pliers in, the compactness of connection has further been ensured, sealing rubber ring and sealing washer have ensured the sealing performance of connection, practicality is stronger, and the operation of being convenient for, it is not convenient enough to have solved current bellows and have connected, fixed effect is not too good, the poor problem of sealing performance.

Drawings

Fig. 1 is a front view of a bellows joint device according to the present invention;

FIG. 2 is a schematic structural view of the connecting seat of the present invention;

fig. 3 is a schematic structural view of the fixing base of the present invention.

In the figure: 1. a connecting pipe; 2. a connecting seat; 3. connecting the inner pipe; 4. a first snap head; 5. fixing the core column; 6. a bellows; 7. a bellows connector; 8. a second snap head; 9. a fixed seat; 10. a screw hole fixing groove; 11. connecting the ports; 12. a seal ring; 13. sealing the rubber ring; 14. a first fixed slot; 15. a second fixed clamping groove; 16. fixing the stem fixing groove; 17. bellows through-port.

Detailed Description

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

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a bellows connecting device, including connecting pipe 1 and bellows 6, connecting seat 2 is installed to one side of connecting pipe 1, the opposite side of connecting seat 2 is installed and is even inserted inner tube 3, even insert in inner tube 3 can extend to bellows 6, the compactness of connection has further been ensured, connect into the upper end of inner tube 3 and install first buckle head 4, connect into the lower extreme of inner tube 3 and install second buckle head 8, the externally mounted who connects into inner tube 3 has fixed stem 5, fixing base 9 is installed to one side of bellows 6, sealed rubber ring 13 is installed to the opposite side of fixing base 9, the leakproofness of connection has been ensured, avoid rivers to spill, influence the result of use, bellows connector 7 is installed to the opposite side of sealed rubber ring 13, the externally mounted who connects into inner tube 3 has sealing washer 12.

Further, the inside of connecting seat 2 is provided with screw fixed slot 10, connects into the inside intermediate position department of inner tube 3 and is provided with connection port 11, the compactness of guarantee connection that can be further, the installation of being convenient for.

Further, the inside upper end of fixing base 9 is provided with first fixed slot 14, and the inside lower extreme of fixing base 9 is provided with second fixed slot 15, and the installation back fixity is strong, easy operation, and the form is various.

Further, the inside of bellows joint head 7 is provided with fixed stem fixed slot 16, and the inside intermediate position department of bellows joint head 7 is provided with bellows opening 17, and the practicality is strong, and the stability of using is strong.

Further, fixed stem 5 is provided with a plurality of, and fixed stem 5 of a plurality of distributes in proper order, and overall structure is more stable.

Furthermore, the corrugated pipe connector 7 is connected with the inner connecting pipe 3 in a sliding manner, so that the connection is simple and the assembly and disassembly are convenient.

The working principle is as follows: when in use, the connecting inner pipe 3 at one side of the connecting pipe 1 is slidably placed in the corrugated pipe connector 7 at one side of the fixed seat 9, the fixed core column 5 is slidably inserted into the fixed core column fixed groove 16 in the corrugated pipe connector 7, so that the connection is more compact, the connecting inner pipe 3 can extend into the corrugated pipe connector 7 through the corrugated pipe through hole 17, the connection tightness is further ensured, the connecting seat 2 and the fixed seat 9 are clamped by sharp-nose pliers, the first buckle head 4 and the second buckle head 8 at two ends of the connecting seat 2 are respectively clamped into the first fixed clamp groove 14 and the second fixed clamp groove 15 at two ends of the fixed seat 9, the buckle connection stability is higher, the operation is very convenient, the corrugated pipe 6 and the connecting pipe 1 can be further connected and fixed by using a fixed screw through the screw hole fixed groove 10 according to the condition, the sealing ring 12 and the sealing rubber ring 13 ensure the connection tightness between the corrugated pipe connector 7 and the connecting inner pipe 3, the water flow is prevented from leaking, the using effect is influenced, the operation is rapid, and the integral structure is perfect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A bellows connecting device, includes connecting pipe (1) and bellows (6), its characterized in that: connecting seat (2) are installed to one side of connecting pipe (1), the opposite side of connecting seat (2) is installed and is even inserted inner tube (3), even the upper end that inserts inner tube (3) installs first buckle head (4), even the lower extreme that inserts inner tube (3) installs second buckle head (8), even the externally mounted that inserts inner tube (3) has fixed stem (5), fixing base (9) are installed to one side of bellows (6), sealed rubber ring (13) are installed to the opposite side of fixing base (9), bellows connector (7) are installed to the opposite side of sealed rubber ring (13), the externally mounted that even inserts inner tube (3) has sealing washer (12).

2. A bellows connection device according to claim 1, wherein: the inside of connecting seat (2) is provided with screw fixed slot (10), the inside intermediate position department of even inserting inner tube (3) is provided with connection opening (11).

3. A bellows connection device according to claim 1, wherein: the upper end of the interior of the fixed seat (9) is provided with a first fixed clamping groove (14), and the lower end of the interior of the fixed seat (9) is provided with a second fixed clamping groove (15).

4. A bellows connection device according to claim 1, wherein: the inside of bellows connector (7) is provided with fixed stem fixed slot (16), bellows connector (7) inside intermediate position department is provided with bellows opening (17).

5. A bellows connection device according to claim 1, wherein: the fixed core columns (5) are provided with a plurality of fixed core columns (5) which are distributed in sequence.

6. A bellows connection device according to claim 1, wherein: the corrugated pipe connector (7) is connected with the inner pipe (3) in a sliding manner.