CN205331654U - Ball -type compensator - Google Patents

Abstract

The utility model provides a ball -type compensator, including reducing pipe, shell, filling pipe, filler, retaining ring, sealing washer, gland, bulb tube and a plurality of steel ball, the jousting is a cylindrical shell, the one end of shell with the reducing union coupling, one end is provided with first ring flange in addition, and the bulb tube embeds in shell cavity, pack the stopper dress between shell and bulb tube, the retaining ring sets up the nearly reducing pipe side of packing, the sealing washer sets up the near first ring flange side of packing, this kind of ball -type compensator simple structure, the easy manufacturing, the shell heavy -calibre is held and is open structure, no structure obstacle, and angle compensation volume is greater than 5, and the bulb tube rotates nimble, the light swing, and the angle compensates swiftly, can follow the filler respectively after the wearing and tearing of packing and inject the filler on line into, need not shut down and do the structure disintegration, stops a leak in time, and production site safety is strengthened.

Description

Ball compensator

Technical field

This utility model relates to compensator technical field, especially a kind of ball compensator of design。

Background technology

When industry pipe network and municipal heating systems run, some nodes there is also angular displacement except having telescopic displacement。Currently, ball compensator is the optimum pipeline safety device eliminating angular displacement, is commonly used in engineering。But, the ball compensator of prior art still suffers from structure deficiency, particularly seals structure unreasonable, uses middle trouble point to be concentrated mainly on ball face sealing structure, frequent rotation necessarily makes sealing pair produce corresponding abrasion, and excessive wear makes ball face sealing structure lose efficacy and cause leakage。The ball compensator of prior art is daily to be realized sealing property and improves by compressing filler further, if built-in filler is by excessive abrasion, even if adjusting also invalid, only shutting down and unloading lower seal structure and again replace filler and could recover sealing property。But, most industry pipe network can not stop at any time, thereby results in ball joint compensator to be safeguarded and can not get timely reparation, and persistently leakage is unfavorable for production scene safety。

Utility model content

The technical problems to be solved in the utility model is: in order to solve the above-mentioned technical problem that in prior art, ball compensator exists, and this utility model provides a kind of ball compensator to solve the problems referred to above。

This utility model solves its technical problem and be the technical scheme is that a kind of ball compensator, including reducer pipe, shell, filler pipe, filler, back-up ring, sealing ring, gland, bulb tube and several steel balls, described shell is cylindrical housings, one end of described shell is connected with described reducer pipe, other end is provided with the first ring flange, bulb tube is built in shell inner cavity, described filler plugs is contained between shell and bulb tube, described back-up ring is arranged on the nearly reducing tube side of described filler, described sealing ring is arranged on nearly first ring flange side of described filler, the inside and outside wall of described back-up ring is fitted with described bulb tube and body seal respectively, the inside and outside wall of described sealing ring is fitted with described bulb tube and body seal respectively, the inwall of described sealing ring and back-up ring offers a cannelure respectively, several steel balls described are separately positioned in two described cannelures, it is provided with cushion cap on the outer wall of described bulb tube and against described sealing ring, the outer wall of described cushion cap is the cylindrical surface coaxial with described shell, described gland includes push rod and second ring flange of integrative-structure, described push rod is the hollow circular cylinder coaxial with described shell, the inside and outside wall of described push rod is fitted with described cushion cap and body seal respectively, one end of described push rod props up described sealing ring, other end is connected with described second ring flange, fastened by multiple axial nut between described first method pulling plate and the second ring flange, described shell circumferentially offers multiple radial direction through hole, multiple described filler pipes are fixed on the outer wall of described shell and respectively with the plurality of radial direction through hole and connect, described filler pipe is additionally provided with axial plug screw and radial direction plug screw。

As preferably, the quantity of described radial direction through hole and filler pipe is 4 ~ 16。

As preferably, described filler is graphite。

The beneficial effects of the utility model are, this ball compensator simple in construction, easily manufacture；Shell heavy caliber end is uncovered structure; non-structure obstacle; angular compensatory amount is more than ± 5 °; bulb tube rotates swing flexible, light; angular compensatory is quick, respectively from filler online injection filler, can not need shutdown to make structure and disintegrate after filler abrasion; stopping a leak in time, is strengthened safely in production scene。

Accompanying drawing explanation

Below in conjunction with drawings and Examples, this utility model is further illustrated。

Fig. 1 is the structural representation of the optimum embodiment of ball compensator of the present utility model。

In figure 1, reducer pipe, 2, shell, 3, filler pipe, 4, filler, 5, back-up ring, 6, sealing ring, 7, gland, 8, bulb tube, 9, steel ball, the 10, first ring flange, 11, cushion cap。

Detailed description of the invention

Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish。The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining this utility model, and it is not intended that to restriction of the present utility model。On the contrary, all changes within the scope of embodiment of the present utility model includes falling into attached claims spirit and intension, amendment and equivalent。

In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention。

Additionally, term " first ", " second " etc. are only for descriptive purposes, and it is not intended that indicate or hint relative importance。In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary。For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model。Additionally, in description of the present utility model, except as otherwise noted, " multiple " are meant that two or more。

As shown in Figure 1, this utility model provides a kind of ball compensator, including reducer pipe 1, shell 2, filler pipe 3, filler 4, back-up ring 5, sealing ring 6, gland 7, bulb tube 8 and several steel balls 9, shell 2 is cylindrical housings, one end of shell 2 is connected with reducer pipe 1, other end is provided with the first ring flange 10, bulb tube 8 is built in shell 2 inner chamber, filler 4 plug is contained between shell 2 and bulb tube 8, back-up ring 5 is arranged on nearly reducer pipe 1 side of filler 4, sealing ring 6 is arranged on nearly first ring flange 10 side of filler 4, the inside and outside wall of back-up ring 5 seals laminating with bulb tube 8 and shell 2 respectively, the inside and outside wall of sealing ring 6 seals laminating with bulb tube 8 and shell 2 respectively, the inwall of sealing ring 6 and back-up ring 5 offers a cannelure respectively, several steel balls 9 are separately positioned in two cannelures, it is provided with cushion cap 11 on the outer wall of bulb tube 8 and against sealing ring 6, the outer wall of cushion cap 11 is the cylindrical surface coaxial with shell 2, gland 7 includes push rod and second ring flange of integrative-structure, push rod is the hollow circular cylinder coaxial with shell 2, the inside and outside wall of push rod seals laminating with cushion cap 11 and shell 2 respectively, one end of push rod props up sealing ring 6, other end is connected with the second ring flange, fastened by multiple axial nut between first method pulling plate and the second ring flange, shell 2 circumferentially offers multiple radial direction through hole, multiple filler pipes 3 are fixed on the outer wall of shell 2 and respectively with multiple radial direction through hole and connect, filler pipe 3 is additionally provided with axial plug screw and radial direction plug screw, the quantity of radial direction through hole and filler pipe 3 is 10, filler 4 is graphite。

In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example。In this manual, the schematic representation of described term is not necessarily referring to identical embodiment or example。And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example。

With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not necessarily departing from this utility model technological thought, can carry out various change and amendment completely。The technical scope of this utility model is not limited to the content in description, it is necessary to determine its technical scope according to right。

Claims (3)

1. a ball compensator, it is characterized in that: include reducer pipe, shell, filler pipe, filler, back-up ring, sealing ring, gland, bulb tube and several steel balls, described shell is cylindrical housings, one end of described shell is connected with described reducer pipe, other end is provided with the first ring flange, bulb tube is built in shell inner cavity, described filler plugs is contained between shell and bulb tube, described back-up ring is arranged on the nearly reducing tube side of described filler, described sealing ring is arranged on nearly first ring flange side of described filler, the inside and outside wall of described back-up ring is fitted with described bulb tube and body seal respectively, the inside and outside wall of described sealing ring is fitted with described bulb tube and body seal respectively, the inwall of described sealing ring and back-up ring offers a cannelure respectively, several steel balls described are separately positioned in two described cannelures, it is provided with cushion cap on the outer wall of described bulb tube and against described sealing ring, the outer wall of described cushion cap is the cylindrical surface coaxial with described shell, described gland includes push rod and second ring flange of integrative-structure, described push rod is the hollow circular cylinder coaxial with described shell, the inside and outside wall of described push rod is fitted with described cushion cap and body seal respectively, one end of described push rod props up described sealing ring, other end is connected with described second ring flange, fastened by multiple axial nut between described first method pulling plate and the second ring flange, described shell circumferentially offers multiple radial direction through hole, multiple described filler pipes are fixed on the outer wall of described shell and respectively with the plurality of radial direction through hole and connect, described filler pipe is additionally provided with axial plug screw and radial direction plug screw。

2. ball compensator as claimed in claim 1, it is characterised in that: the quantity of described radial direction through hole and filler pipe is 4 ~ 16。

3. ball compensator as claimed in claim 2, it is characterised in that: described filler is graphite。