CN102695834A

CN102695834A - Valve box having means for blocking the collar thereof relative to the base of the collar, collar and base, and method for installing the valve box

Info

Publication number: CN102695834A
Application number: CN2011800054792A
Authority: CN
Inventors: 埃尔韦·莫里斯
Original assignee: Norinco SA
Current assignee: Norinco SA
Priority date: 2010-01-11
Filing date: 2011-01-07
Publication date: 2012-09-26
Anticipated expiration: 2031-01-07
Also published as: CN102695834B; FR2955127A1; WO2011083277A1; FR2955127B1

Abstract

The present invention relates to a valve box having means for blocking the collar thereof relative to the base of the collar. According to the invention, the collar (3) of the valve box (1) includes at least one flat section (8a), the opening (16) of portion (6) of the base (2) includes at least one planar portion forming a flat section (16a), and the O-ring (17) is housed in a groove (18), the peripheral bottom surface of which includes at least one planar portion forming a flat section (18a) extending to the flat section (16a) of the opening (16) in order to give the O-ring (17) a shape that matches the shape of the collar, clamping around the collar when the vertical position of the collar (3) relative to the mounting (2) is adjusted, wherein the collar (3) can be blocked by rotating the same by a predetermined angle so as to release the flat section (8a); thereof from the position facing the position of the opening (16). The invention can be used in the field of roadwork equipment.

Description

Have clack box, collar and base and the method that is used to install clack box of device that is used for blocking the collar of clack box with respect to the base of collar

Technical field

The present invention relates to have the clack box of device that is used for blocking the collar of clack box with respect to the base of collar.

Background technology

The clack box of prior art comprises the body that is formed by tubular base and tubulose collar, and this tubulose collar can slide through the opening of tubular base vertically, and said collar is provided with outside upper flange, and connector can be locked in this flange removedly.

This clack box is intended to can the certain height from a road to another link change being embedded in the covering of roadway.Then, the problem of appearance is that collar is wedged in the vertical position, so that collar is remained on the Desired Height place with respect to ground, around covering of roadway is arranged in clack box with respect to base.

Be head it off, it is through inserting vertical bar under the outward flange of collar or carrying out such as any other device that for example is positioned at the stone on the clack box installation site that the collar that partly inserts its base is wedged in the vertical position.

But this wedging device is unreliable, because during clack box arranged around covering of roadway, this wedging device possibly all of a sudden shift out under the flange of collar, makes collar in base, drop to the height of not expecting.

Document FR2663399 has described the wedging device to propose a kind of clack box; It comprises: the O shape of being processed by synthetic materials is encircled; The cylindrical tube that is installed in collar is partly gone up and simultaneously collar is held on this tubular portion, exists in to roll on the said tubular portion to adjust its vertical position; And groove, being formed in the flange of base of clack box, the outer peripheral face of groove applies on ring and replenishes the diameter clamping, to be used for that collar is blocked in vertical position, makes it possible to accurately adjust as required the height of the body of clack box.

The shortcoming of the solution that this is known is, during collar is inserted into base, and the groove of the flange through passing base, wedging O shape ring can move by the tubular body along collar owing to rolling, thereby destroys the expectation vertical position of collar with respect to base.

Summary of the invention

The objective of the invention is to eliminate the above-mentioned shortcoming that is used for wedging the device of collar with respect to the base of clack box.

For this purpose, according to the present invention, a kind of clack box is provided, its body comprises: base and the tubulose collar of installing slidably through the opening of the part through base; And O shape ring; Process and radially be compressed in by elastic body between this part of collar and base with collar with respect in the base wedging vertical position; It is characterized in that; Collar comprises at least one outer flat of the longitudinal direction extension that is parallel to collar; The interior perimeter surface of the opening that this of base is a part of comprises at least one planar section that forms flat, so that make said opening form the shape of the shape of coupling collar, O shape ring is accommodated in the groove in this part that is formed at base; Make O shape loop section ground get into the opening from groove is outstanding; The peripheral basal surface of groove comprises at least one planar section of the flat of the flat that forms this a part of opening extend to base so that the form fit of the shape of O shape ring and collar and when the flat of this a part of opening of the flat of collar and base is relative around the clamping collar, and exist collar through sliding so that adjust its possibility with respect to the vertical position of base with the CONTACT WITH FRICTION of encircling; And collar can rotate predetermined angular; So that the flat of collar is discharged from the position in the face of this a part of opening of base, and the radial compression of appropriate section between the flat of the groove of collar and receiving ring through ring, collar is blocked in it vertically adjusts in position.

Preferably; Collar comprises that two of the longitudinal direction that is parallel to collar are along the relative flat of diameter; It is formed with oval exterior contour; Wherein the interior perimeter surface of the opening of tubular base part and the bottom perimeter surface of groove comprise two along the relative parallel flat part of diameter; Make opening and the groove of tubular base part in lateral cross section, have elliptical shape, and the O shape ring that is contained in the groove have the elliptical shape of in the opening of tubular base part, giving prominence to, the matched shape of clamping collar when relative with two flats of the opening of the base portion of tubulose respectively with two flats of convenient collar; And the rotatable predetermined angular of collar; So that two flats that make collar break away from from the relative position of their two flats with the opening portion of base, and the radial compression of appropriate section between two flats of the groove of collar and receiving ring through ring, collar is blocked in it vertically adjusts in position.

O shape ring is projected into the opening portion of base from groove along identical radial distance.

Advantageously, ring is the chloroprene rubber with Shore hardness of about 60.

The tubular base of clack box is provided with outside upper flange, and this flange forms and through it part of collar is installed slidably.

Collar is provided with outside upper flange, and connector is locked in this flange removedly.

Collar comprises the cylindrical tube body, and the cylindrical tube body comprises flat at least.

The invention still further relates to a kind of method that is used at covering of roadway installation as the preceding clack box that limits, it is characterized in that comprise: the tubular base that will comprise cambridge ring is placed on the ground; With respect to base location collar, relative so that each flat of collar can both be positioned in the process that collar inserts base the corresponding flat with base; Through collar being inserted in the base, be positioned predetermined height vertically with respect to base up to collar with the Frictional Slipping of cambridge ring; Collar is rotated predetermined angular, so that the flat of collar is broken away from from its position in the face of the flat of base; And the radial compression of appropriate section between the flat of the groove of collar and receiving ring through encircling, collar is blocked in its predetermined vertically adjustment position; And covering of roadway is set around clack box.

The invention still further relates to a kind of collar that is used for clack box; Collar comprises that the top has the tubular body of flange; Connector can be locked in this flange removedly; It is characterized in that tubular body comprise that the longitudinal direction of the tubular body that is parallel to collar extends two is along the relative outer flat of diameter.

The present invention relates to a kind of tubular base that is used for clack box at last; Be provided with outside upper flange with central opening that the collar that is used to supply clack box passes through; It is characterized in that; The interior perimeter surface of central opening comprises form flat two along the relative parallel plane part of diameter, and is formed with groove in the flange, the bottom perimeter surface of groove comprise form flat, feed in two flats of opening of flange two along the relative parallel plane part of diameter respectively; In lateral cross section, central opening and groove have two concentric elliptical shape respectively.

Description of drawings

In the indicative explaination below with reference to accompanying drawing; To understand the present invention better; And other purposes of the present invention, characteristic, details and advantage will more clearly represent, and accompanying drawing only provides and is used as example and shows one embodiment of the present of invention, and in the accompanying drawings:

Fig. 1 is the part exploded perspective view according to clack box of the present invention;

Fig. 2 be Fig. 1 clack box tubular base stereogram;

Fig. 3 is vertical half cross-sectional perspective view of the clack box of Fig. 1;

Fig. 4 is half cross-sectional perspective view of clack box, and wherein collar is inserted in the base to adjust the height of collar;

Fig. 5 is along the cross-sectional view perpendicular to the plane of the longitudinal direction of the base of clack box and the groove in being formed at the part of said base;

Fig. 6 is the top view along the arrow VI of Fig. 2 of the base of clack box;

Fig. 7 is the cross-sectional view along the line VII-VII of Fig. 6;

Fig. 8 is the top view of base that is used to wedge the O shape ring of collar comprising of clack box;

Fig. 9 is the cross-sectional view along the line IX-IX of Fig. 8;

Figure 10 is the top view along the arrow X of Fig. 4;

Figure 11 is the cross-sectional view along the line VI of Figure 10;

Figure 12 be similar to the top view of Figure 10 and show collar revolve make a circle about 1/8th; And

Figure 13 is the cross-sectional view along the line XIII-XIII of Figure 12.

The specific embodiment

When with the aid of pictures, reference number 1 expression clack box, its body comprise the tubulose collar 3 and tubular base 2 that can be processed by molded nodular iron casting.

Base 2 comprises round platform shoulder 4, and tapering part 5 projects upwards and extends through neighboring flange 6 at its upper end that has than minor diameter from shoulder 4.Between the larger-diameter lower end of the tapering part 5 of shoulder 4 and base 2, a plurality of (for example four) radially ribs 7 is set.

Collar 3 comprises the roughly tubular body 8 of cylinder; Its upper end is that periphery flange part 9 stops in addition; Inner radial arcwall 11 and the vertical slit 12 between arcwall 11 are formed in this neighboring flange section; Below slit 12, have deep-slotted chip breaker 13 with the device that acts on the protuberance with radial lobes 15 14 locking, said lug is fixed in the inner surface of the connector 10 that is used to cover clack box and is resisted against the arcwall 11 as base.Like this, connector 10 is fastened in the flange section 9 removedly.

The tubular body 8 of collar 3 can slide in the tapering part 5 of base 2 through central opening 16 in the flange 6 that is formed at base 2 coaxially.

The ring 17 of the roughly O shape of being processed by elastomeric material radially is compressed between the flange 6 of 8 and base 2 of tubular body of collar 3, with collar 3 with respect in the base 2 wedging vertical positions.Ring 17 is preferably processed by chloroprene rubber or (co) polychloroprene rubber with Shore hardness (Shore hardness) of about 60.

According to the present invention, the tubular body 8 of collar 3 comprises two along the relative outer flat 8a of diameter, and said outer flat is parallel to the longitudinal direction of collar 3 from the free end of flange section 9 extensions as far as tubular body 8.Like this, the body 8 of collar 3 outwards has oval-shaped profile.

The interior perimeter surface that is formed at the opening 16 in the flange 6 of base 2 comprises two along the relative plane surface 16a of diameter; This plane surface forms flat and extends to the relative circular surface 16b of opening at either side, thereby the elliptical shape with the coupling of the elliptical shape of the tubular body 8 of collar 3 is provided for opening 16.

Each flat 16a and 8a of the tubular body 8 of opening 16 and collar 3 comprise the circle that defines opening 16 and are defined in the string of the circle in the lateral cross section by the outer surface of tubular body 8 that this string is shorter relatively.More particularly, the offset distance of the arc section that limits of each flat be rendered as opening 16 or collar 3 tubular body 8 radius about 5%.

Groove 18 is formed in the flange 6 of base 2 and feeds simultaneously in the central opening 16 of said flange.

The bottom perimeter surface of groove 18 comprise two form flat 18a along the relative parallel plane part of diameter and two along the relative arch section 18b of diameter; These two arch sections are connected respectively to the end of two flat 18a; So that when in through the surperficial lateral cross section of the bottom perimeter of groove, observing; To groove 18 elliptical shape concentric with the elliptical shape of opening 16 is provided, flat 18a is parallel to the flat 16a of opening 16 also radially away from flat 16a.Each flat 18a on the bottom perimeter surface of groove 18 feeds in the said opening through the corresponding flat 16a of the interior perimeter surface of opening 16.

For the flat 8a of the tubular body 8 of the flat of opening 16 and collar 3, each flat 18a of groove 18 is corresponding to the string of arc section, the string offset distance of arc section be rendered as groove 18 end circumferential edge face radius about 5%.

O shape ring 17 is housed inside in the groove 18 of flange 6 of base 2, with the elliptical shape of adaptive groove.

In addition, ring 17 partly from groove 18 outstanding entering the opening 16, limits the in-profile of the elliptical shape of the elliptical shape with the tubular body 8 that matees collar 3 simultaneously.Ring 17 is projected into the opening 16 of flange 6 from groove 18 along identical radial distance.

Be used in the method for covering of roadway installation clack box 1 is described in front, mentioning, and will make an explanation to it now.

At first, base 2 is placed on the ground, wherein is provided with cambridge ring 17 in the flange 6 of base by the operator.

Then; Through collar 3 being orientated and collar 3 is arranged on base 2 tops around the longitudinal axis of base 2; Thereby make two flat 8a of tubular body 8 be positioned to overhang the flat 16a of opening 16 of the flange 6 of base 2; And the operator is inserted in the tubular body 8 of collar 3 in the opening 16, thereby makes that body 8 can be vertically to lower slider with respect to base 2, and two flat 16a with opening 16 are relative respectively to make its two flat 8a simultaneously.Like this, ring 17 cooperates the oval outer shape of the tubular body 8 of collar 3, the said body of clamping simultaneously, and this body can slide in ring 17 through friction.Ring 17 both can keep collar 3 so that it is vertically adjusted in the position with respect to base 2 wedgings again so that collar 3 slides with respect to base 2 vertically in the periphery upper edge diameter clamping of the tubular body 8 of collar 3.

In case collar 3 is wedged in the vertical height and position of expectation with respect to base 2; Then the operator rotates predetermined angle around its longitudinal axis with collar 3 as illustrated in fig. 10; For example rotate about 45 ° (corresponding to one the circle 1/8th); So that two flat 8a of the body 8 of collar 3 are broken away from from their position relative with the flat 16a of opening 16; And break away from from encircling 17 corresponding flat thus; And the excircle external surface of body 8 is contacted with two flats of ring 17, encircle between the planar section of the flat 18a that radially is compressed in body 8 and formation groove 18, so that effectively collar 3 is blocked in its static vertical adjustment position with respect to base 2.

In these cases; Consider the height of covering of roadway; Through encircle 17 the tubular body of collar 38 peripheries along the diameter clamping; The height H of clack box is accurately regulated and is remained on effectively in the vertical position of expectation, and when around clack box, covering of roadway being set, does not make collar 3 be reduced to the unexpected risk in the base 2.

The less width of the flat 8a of the inner radial of the ring 17 through occupying the space between collar 3 and the opening 16 and the body 8 of collar and the flat 16a of opening 16, allow with the collar rotation for example a circle 1/8th.

According to a unshowned alternative embodiment; Can be the central opening 16 of collar body 8, base 2 and the bottom perimeter surface of groove 18 single flat 8a, 16a and 18a are provided; Make the body 8 of collar 3 in base 2, to slide vertically; Be held through ring simultaneously; Said ring assembled body 8 so that the flat 16a of the flat 8a of body 8 and opening 16 relatively and and then relative with the corresponding flat of ring 17, vertically adjust the position until collar 3 with respect to the expectation of base 2, rotate collar 3 then; Make between the planar section of ring 7 excircle external surface that radially is compressed in body 8 and the flat 18a that forms groove 18, vertically adjust in position so that effectively collar 3 is blocked in it with respect to base 2.Therefore will understand, during the vertical slip of collar 3 with respect to base 2, ring 17 will cooperate the outer shape of body 8 with the mode of CONTACT WITH FRICTION, and this outer shape has the longitudinal direction that the is parallel to body single flat along body 8 extensions.

Clack box according to the present invention allows particularly when at clack box arranged around covering of roadway, can block collar with respect to base very reliably as required, and not make collar be reduced to the unexpected risk in the base.

Claims

1. a clack box (1); Its body comprises: the tubulose collar (3) that the opening (16) of a tubular base (2) and the part (6) through said tubular base (2) is slidingly installed; The O shape ring of being processed by elastic body (17) radially is compressed between the said part (6) of said collar (3) and said base (2) so that said collar (3) is wedged vertical position with respect to said base (2); It is characterized in that

Said collar (3) comprises at least one outer flat (8a) of the longitudinal direction extension that is parallel to said collar (3); The interior perimeter surface of the said opening (16) of the said part (6) of said base (2) comprises at least one planar section that forms flat (16a); So that the shape of the shape of said opening and said collar (3) is complementary; Said O shape ring (17) is contained in the groove (18) in the said part (6) that is formed at said base (2); So that said O shape ring (17) partly gets into the said opening (16) from said groove (18) is outstanding; The peripheral basal surface of said groove (18) comprises at least one planar section of flat (18a) of the flat (16a) of the said opening (16) that forms the said part (6) extend to said base (2); So that the shape of the shape of said O shape ring (17) and said collar (3) is complementary and when the flat (16a) of the said opening (16) of the said part (6) of the flat (8a) of said collar (3) and said base (2) is relative, be clamped in said collar (3) on every side; And exist said collar (3) through sliding with the CONTACT WITH FRICTION of said ring (17) so that adjust its possibility with respect to the vertical position of said base (2); And said collar (3) can rotate predetermined angular; So that the flat (8a) of said collar is discharged from the position in the face of the flat (16a) of the said opening (16) of the said part (6) of said base (2); And the appropriate section through said ring (17) is at said collar (3) and hold the radial compression between the flat (18a) of said groove (18) of said ring (17), and said collar (3) is blocked in it vertically in adjustment position.

2. clack box according to claim 1; It is characterized in that; Said collar (3) comprises that two of the longitudinal direction that is parallel to said collar (3) are along the relative flat of diameter (8a); Make said collar (3) be formed with oval exterior contour, the said interior perimeter surface of the said opening (16) of the said part (6) of said tubular base (2) and the bottom perimeter surface of said groove (18) comprise two along the relative parallel flat part (16a of diameter; 18a); Make said opening (16) and said groove (18) in lateral cross section, have elliptical shape; And be contained in said O shape ring (17) in the said groove (18) and have outstanding elliptical shape in the said opening (16) of the said part (6) of said base (2); The matched shape of the said collar of clamping (3) relatively the time with two flats (16a) of the said opening (16) of the said part (6) of said base (2) respectively with said two flats (8a) of the said collar of box lunch (3); And the rotatable predetermined angular of said collar (3); So that two flats (8a) of said collar break away from from the relative position of their said two flats (16a) with the said opening (16) of the said part (6) of said base (2); And the appropriate section through said ring (17) is at said collar (3) and hold the radial compression between said two flats (18a) of said groove (18) of said ring (17), and said collar (3) is blocked in it vertically in adjustment position.

3. according to wanting claim 1 or 2 described clack boxes, it is characterized in that said O shape ring (17) is projected into along identical radial distance from said groove (18) the said opening (16) of a said part (6) of said base (2).

4. according to each described clack box in the aforementioned claim, it is characterized in that said ring (17) is the chloroprene rubber with Shore hardness of about 60.

5. according to each described clack box in the aforementioned claim, it is characterized in that said tubular base (2) is provided with outside upper flange (6), said outside upper flange (6) forms the part through its said collar (3) that are slidingly installed.

6. according to each described clack box of aforementioned claim, it is characterized in that said collar (3) is provided with outside upper flange (9), connector (10) is locked in this flange removedly.

7. according to each described clack box in the aforementioned claim, it is characterized in that said collar (3) comprises cylindrical tube body (8), said cylindrical tube body (8) comprises said flat (8a) at least.

8. one kind is used at covering of roadway the method according to each described clack box (1) of claim 1 to 7 being installed, and it is characterized in that comprise: the said tubular base (2) that will comprise cambridge ring (17) is placed on the ground; With respect to said base (2) locate said collar (3) so that each flat (8a) of said collar (3) can both to be positioned in the process that said collar (3) inserts said base (2) the corresponding flat (16a) with said base (2) relative; Through said collar (3) being inserted said base (2), be positioned predetermined height with respect to said base (2) up to said collar (3) with the Frictional Slipping of said cambridge ring (17); With said collar (3) rotation predetermined angular, so that the flat (8a) of said collar (3) is broken away from from its position in the face of the flat (16a) of said base (2); Appropriate section through said ring (17) is at said collar (3) and hold the radial compression between the flat (18a) of said groove (18) of said ring (17), and said collar (3) is blocked in its predetermined vertically adjustment position; And said covering of roadway is set around said clack box (1).

9. collar (3) that is used for clack box (1); Comprise that the top has the tubular body of flange (9) (8); Connector (10) can be locked in the said flange (9) removedly; It is characterized in that said tubular body (8) comprise that the longitudinal direction of the said tubular body (8) that is parallel to said collar (3) extends two is along the relative outer flat (8a) of diameter.

10. tubular base (2) that is used for clack box (1); Said tubular base (2) is provided with the outside upper flange (6) with central opening (16) that the collar (3) that is used for said clack box (1) passes through; It is characterized in that; The interior perimeter surface of said central opening (16) comprises form flat two along the relative parallel plane part (16a) of diameter; And be formed with groove (18) in the said flange (6); The bottom perimeter surface of said groove comprise form flat, feed in two flats (16a) of said central opening (16) of said flange (6) two along the relative parallel plane part (18a) of diameter respectively, in lateral cross section, said central opening (16) and said groove have two concentric elliptical shape respectively.