CN2556327Y

CN2556327Y - Door closer

Info

Publication number: CN2556327Y
Application number: CN 02237050
Authority: CN
Inventors: 林承庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-10
Filing date: 2002-06-10
Publication date: 2003-06-18
Anticipated expiration: 2012-06-10

Abstract

The utility model provides a door closer which can selectively make a door automatically closed or make the door be in an open state at any angle, and comprises a cylinder, wherein one end of the cylinder is provided with a piston rod to penetrate through, and the penetrating through part of the piston rod is movably sheathed in turn with an elastic element, a clamping sheet and a tube cover. A shifting rod of the clamping sheet can extend out of a notch arranged on the tube cover to form the normal state of the door closer, and the door can be automatically closed after the door is opened. The piston rod in a moving state can be clamped by the clamping sheet to stop at any position when the shifting rod is shifted, and the door is in an open state at any angle.

Description

Door closer

Technical field

The utility model belongs to a kind of member, specifically is a kind of door closer.

Technical background

Existing door closer structure, as Fig. 1, shown in 2, include a cylinder 1 ', one end of this cylinder 1 ' is provided with hole 10 ', can be fixed on the doorframe for the end that a fixture 101 ' penetrates this cylinder 1 ', the other end of this cylinder 1 ' is provided with a piston rod 2 ' and passes, go up movable sleeve in the portion that passes 21 ' of this piston rod 2 ' and be provided with a clamping sheet 3 ', this passes portion 21 ' and is provided with hole 210 ', can penetrate for a fixture 211 ' portion that passes 21 ' of this piston rod 2 ' is fixed on the door, therefore, the portion 21 ' that passes of this piston rod 2 ' duration of when opening the door, can closing the door, and this cylinder 1 ' inner compression spring 11 ' can be stored the power that a preparation is upheld by limit, and when the external force disappearance of opening the door, the expansion force of this compression spring 11 ' can make this door close automatically.Automatically close in order not make this door, and become opening in being held in unspecified angle, stir clamping sheet 3 ' to an end periphery 12 ' of cylinder 1 ' and can make the extended lappet 31 ' in clamping sheet 3 ' below, piston rod 2 ' in moving is ended and stop in arbitrary position that arrives by an ancient piece of jade, round, flat and with a hole in its centre 301 ' card in the hole 30 ' of clamping sheet 3 ' by an end periphery 12 ' apical grafting of cylinder 1 '.When this door is closed by staying to open to change over, must try hard to recommend in addition again and open the door, can make piston rod 2 ' elongation, stir clamping sheet 3 ', make clamping sheet 3 ' not with cylinder ' cylinder body periphery 12 ' contact, when the external force of opening the door disappears, the expansion force of this compression spring 11 ' can make this door close gradually automatically.Because this clamping sheet 3 ' is to be movably set in the passing in the portion 21 ' of piston rod 2 ', so this clamping sheet 3 ' easy deflection and difficult finish accurately door in holding action, moreover, because this clamping sheet 3 ' is to expose outside cylinder 1 ', not covered, crush facts generation so cause easily, real undesirable.

Summary of the invention

The purpose of this utility model is to improve the shortcoming of existing door closer, can finish staying of door easily, accurately and holds action and provide a kind of, and when manipulating, can not cause to crush the door closer that the facts takes place.

The purpose of this utility model is achieved in that

A kind of door closer includes a cylinder, in a piston rod is arranged, an end limit of this cylinder becomes closed, other end limit becomes open shape, it is characterized in that:

The open end of this cylinder can supply a sleeve combination, and an end of this sleeve has a panel, is provided with an open-work in the centre of this panel; Outstandingly on this panel again be provided with the double-screw bolt and that is provided with the threaded portion in and push bar; Wherein, the open-work of this panel can pass for the portion of passing of piston rod, be provided with a flexible member, a clamping sheet and a pipe lid and pass in the portion movable sleeve in this, wherein this flexible member one end apical grafting is in a side of the panel of this sleeve, other end apical grafting is in a side of this clamping sheet, and this clamping sheet is extended with a driving lever, and this driving lever can be stretched out by the scarce ditch of pipe lid; The dynamic structure annexation of this driving lever, this clamping sheet and this piston is: stir the inwall stopper piston rod that this driving lever just can make the hole of clamping sheet, cause clamping sheet one side to be pushed masthead and push away, and this piston rod is stopped; And screw togather by the screw of the penetrable pipe of fixture lid threaded portion, will manage and cover and sleeve is combined into one with the panel upper stud of this sleeve.

The panel of this sleeve is provided with a positioning rod, and the tip of this backstay can be inserted in the locating hole of pipe lid.

Be equipped with a groove on this sleeve, but the depressed part of air feed cylinder snaps in.

Employing is submitted a written statement to a higher authority and is stated scheme, and good effect of the present utility model is:

The door closer that the utility model provides, owing to include a cylinder, one end of this cylinder has a piston rod to pass, this piston rod pass in the portion in regular turn that movable set has elastic component, clamping sheet and Guan Gai, this pipe is covered with one and lacks ditch, can stretch out for the driving lever of clamping sheet, form the normal condition of door closer, can close automatically after door is opened; Piston rod in moving is ended and stop in arbitrary position that arrive by the clamping sheet card when stirring driving lever, door be stayed be held in unspecified angle one-tenth and opening state; And because the width of the width of the scarce ditch of this pipe lid and driving lever is suitable, remove and to stretch out for driving lever, in order to stirring outside the driving lever, it has the correcting driving lever again along lacking the effect that ditch linearly moves, so can finish this door easily accurately becomes in opening shape in being held in unspecified angle, and hidden because this clamping sheet manages lid, can not cause and crush facts generation so stir driving lever.

Description of drawings

The three-dimensional exploded view of the existing door closer critical element of Fig. 1;

The sectional drawing of the existing door closer of Fig. 2;

The three-dimensional exploded view of Fig. 3 the utility model door closer critical element;

The sectional drawing of Fig. 4 the utility model door closer;

Fig. 5 the utility model door closer is stayed the sectional drawing of the state of holding.The piece number contrast:

1

cylinder

1A, 1B hold 10 holes, limit

11 fixtures, 12 flexible members, 13 sleeves

131 grooves, 132 panels, 133 open-works

134 double-screw bolts, 1341 threaded portions, 135 backstays

136 push bar 14 falls into portion's 2 piston rods

21 pass portion's 210 holes, 211 fixtures

3 flexible members, 4 clamping sheets, 41 holes

411 inwalls, 42 driving levers, 43 breach

5 pipes cover 50 panels, 51 holes

52 locating holes, 53 screws, 54 fixtures

55 lack ditch

The specific embodiment

In order to allow aforementioned purpose of the present utility model and feature and advantage understand by clearer and more definite quilt, preferred embodiment of the present utility model cited below particularly, and cooperate appended graphicly, elaborate.

Consult shown in Fig. 3,4, door closer structure of the present utility model is to include a cylinder 1, and this cylinder 1 one end limit 1A become closed, and which is provided with hole 10 can be fixed on the doorframe for the end limit 1A that a fixture 11 penetrates this cylinder 1; The other end limit 1B of this cylinder 1 becomes open shape, after can inserting for a sleeve 13, becomes a depressed part 14 with near the casing wall the end limit 1B of suitable this cylinder 1 of instrument punching press, this sleeve 13 is stuck on the end limit 1B of this cylinder 1.This sleeve 13 is tied to form cylindric, is equipped with a groove 131 on individuality, but the depressed part 14 card people of these annular recess 131 air feed cylinders 1 when the end limit 1B that makes this sleeve 13 be incorporated into this cylinder 1 goes up, still can be rotated; Again, an end of this sleeve 13 has a panel 132, is provided with an open-work 133 in the centre of this panel 132: again, outstandingly on this panel 132 be provided with double-screw bolt 134, a positioning rod 135 and of being provided with threaded portion 1341 in one and push bar 136.The piston rod 2 of one length than cylinder 1 length arranged in this cylinder 1, be combined with a piston 20 on the end that is positioned at cylinder 1 of this piston rod 2, and the other end protrudes in outside the hole, road 133 of this sleeve 13, form one and pass portion 21, and pass portion 21 in this and be provided with hole 210, can be fixed on the door, therefore for the portion that passes 21 ends that a fixture 211 penetrates this piston rod 2, when opening the door, the portion that passes 21 of this piston rod 2 can be involved and the duration of closing the door; Again, be positioned on the piston rod 2 of cylinder 1, be arranged with a compression spring 12, an end apical grafting of this compression spring 12 is in a side of this piston 20; And other end apical grafting is in a side of the panel 132 of this sleeve 13, and after the external force that this piston rod 2 is outwards involved disappeared, perseverance had the power of withdrawal, and door is closed automatically.

For this door is closed, open shape and this door is stayed be held in unspecified angle to become to stay, in the portion that passes 21 of this piston rod 2, be slidingly connected in regular turn and have elastic component 3, clamping sheet 4 and pipe cover 5.Wherein, this flexible member 3 can be dish type compression spring, and therefore, this flexible member 3 can store the power that a preparation is upheld during by limit.These flexible member 3 one end apical graftings are in a side of the panel 132 of this sleeve 13, and other end apical grafting is in a side of clamping sheet 4, and in not being subjected to external force to do the time spent, but perseverance pushing tow clamping sheet 4 does not amplexiform with the panel 132 of this sleeve 13.

The body center place of this clamping sheet 4 is provided with a hole 41, can penetrate for the portion that passes 21 of piston rod 2, and this clamping sheet 4 bodies below is extended a driving lever 42 down; Again, be provided with two breach 43 on the body of clamping sheet 4 again, can supply the backstay 135 of sleeve 13 respectively and push bar 136 to pass.

This pipe lid 5 is tied to form cylindric, and the one end becomes open shape, and the other end is with a panel 50 sealings, this place, pipe lid 5 open ends is provided with one and lacks ditch 55, the width of its width and driving lever 42 is suitable, can stretch out for driving lever 42, correcting driving lever 42 is arranged along lacking the effect that ditch 55 linearly moves; These panel 50 centre are provided with a hole 51, and can penetrate for the portion that passes 21 of piston rod 2: again, be provided with a locating hole 52 in this panel 50, this locating hole 52 is corresponding with the backstay 135 of sleeve 13, can plant for the tip of backstay 135; Again, also be provided with a screw 53 on this panel 50, this screw 53 is relative with the double-screw bolt 134 of sleeve 13, can penetrate as bolt etc. and screw togather with the threaded portion 1341 of this double-screw bolt 134 for a fixture 54, remove and clamping sheet 4 can be hidden, and pipe can cover 5 and sleeve 13 be combined into one.

Consult shown in Figure 5 again, when the external force of opening the door disappears, the expansion force of this flexible member 12 can make this door close (piston rod 2 be in withdrawal carry out in) automatically gradually, stir driving lever 42 and can make this clamping sheet 4 inclinations one angle, make inwall 411 stoppers in the hole 41 of clamping sheet 4 be somebody's turn to do the piston rod 2 in moving and make clamping sheet 4 move a suitable section with this piston rod 2, pushed bar 136 pushing tows up to clamping sheet 4 one sides, and this piston rod 2 is stopped, this door promptly becomes opening in being held in needed angle.Automatically close gradually when making this door, try hard to recommend beyond only needing again and open the door in (piston rod 2 be in uphold carry out in), clamping sheet 4 is not contacted with pushing bar 136 by flexible member 3 pushing tows, and when the external force disappearance of opening the door, the expansion force of this flexible member 12 can make this door close gradually automatically.

The utility model structure, because it is suitable that this pipe covers the width of the width of 5 scarce ditch 55 and driving lever 42, remove and to stretch out for driving lever 42, in order to stirring outside the driving lever 42, it has correcting driving lever 42 again along lacking the effect that ditch 55 linearly moves, stay and to be held in unspecified angle and to become to stay and open shape so can finish this door easily accurately, and because this clamping sheet 4 cover 5 coverings by pipe, can not cause and crush facts generation so stir driving lever 42.

The utility model can not depart under main spirit and the feature with other different forms enforcement.Therefore, above-mentioned preferred embodiment is just enumerated by way of example, it should be considered as restriction of the present utility model.Scope of the present utility model is defined by claim, but not is defined by the content of manual, and the variation of the equivalence of all the application's of belonging to claims or modification all are to fall within the scope of the present utility model.

Claims

1, a kind of door closer includes a cylinder, in a piston rod is arranged, an end limit of this cylinder becomes closed, other end limit becomes open shape, it is characterized in that:

The open end of this cylinder can supply a sleeve combination, and an end of this sleeve has a panel, is provided with an open-work in the centre of this panel; Outstandingly on this panel again be provided with the double-screw bolt and that is provided with the threaded portion in and push bar; Wherein, the open-work of this panel can pass for the portion of passing of this piston rod, be provided with a flexible member, a clamping sheet and a pipe lid and pass in the portion movable sleeve in this, wherein this flexible member one end apical grafting is in a side of the panel of this sleeve, other end apical grafting is in a side of this clamping sheet, this clamping sheet is extended with a driving lever, and this driving lever is stretched out by the scarce ditch of this pipe lid; The dynamic structure annexation of this driving lever, this clamping sheet and this piston is: stir this piston rod of inwall stopper that this driving lever just can make the hole of this clamping sheet, cause clamping sheet one side to be pushed masthead and push away, and this piston rod is stopped; And screw togather by the screw of the penetrable pipe of fixture lid threaded portion, will manage and cover and sleeve is combined into one with the panel upper stud of this sleeve.

2, by the described door closer of claim 1, it is characterized in that: the panel of this sleeve is provided with a positioning rod, and the tip of this backstay can be inserted in the locating hole of pipe lid.

3, by the described door closer of claim 1, it is characterized in that: be equipped with a groove on this sleeve, but the depressed part of air feed cylinder snaps in.