CN210483340U - Hinge structure of door closer - Google Patents

Abstract

The utility model discloses a hinge structure of a door closer, which comprises a door closer body, a connecting rod a and a connecting rod b, wherein the upper surface of the door closer body is movably connected with one end of the connecting rod a, one ends of the connecting rod a and the connecting rod b are both provided with through holes, bearings are arranged in the through holes, and the two bearings are both sleeved on the outer surface of a rotating shaft; through setting up steel ball b and recess, can drive steel ball b rotatory when connecting rod b is rotatory, steel ball b can be at the recess internal rotation, therefore connecting rod b can the steady rotation and can not produce and rock, can drive the fixture block at spacing groove an internal rotation when connecting rod b is rotatory, and connecting rod b can be fixed to the fixture block, therefore connecting rod b is more stable when rotatory, each other is when rotatory as connecting rod b and connecting rod a, two fixed plates can be rotatory simultaneously, steel ball an can be at spacing groove b internal rotation simultaneously, consequently can not touch the friction each other between connecting rod a and the connecting rod b.

Description

Hinge structure of door closer

Technical Field

The utility model relates to a door closer technical field specifically is a hinge structure of door closer.

Background

The door closer is a spring-like hydraulic device on the door head, can be released after being compressed after the door is opened, and automatically closes the door, has the effect like a spring door, can ensure that the door is accurately and timely closed to an initial position after being opened, and is a patent registered by modern hydraulic door closers in early America in the twentieth century.

The existing door closer can generate friction between two supporting rods in the using process, the joint can be damaged due to long-time friction, meanwhile, one end, connected with the triangular mounting seat, of the supporting rod can also generate friction with the mounting seat frequently, the door closer can be affected, and the door closer body can not smoothly rotate in the working process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hinge structure of door closer, through setting up steel ball b and recess, can drive steel ball b to rotate when connecting rod b rotates, steel ball b can rotate in the recess, therefore connecting rod b can rotate steadily and can not produce and shake, through setting up fixture block and spacing groove a, can drive the fixture block to rotate in spacing groove a when connecting rod b rotates, and the fixture block can fix connecting rod b, therefore connecting rod b is more stable when rotating, and can not produce the touching with mounting panel a and mounting panel b, avoid connecting rod b to produce wearing and tearing, through setting up fixed plate, spacing groove b and steel ball a, when connecting rod b and connecting rod a rotate each other, two fixed plates can rotate at the same time, steel ball a can rotate in spacing groove b at the same time, therefore can not touch the friction each other between connecting rod a and connecting rod b, meanwhile, the steel balls bear a part of force, so that the force is prevented from being completely applied to the rotating shaft and the bearing, the service lives of the rotating shaft and the bearing are prolonged, and the problems in the background art are solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hinge structure of door closer, includes door closer body, connecting rod an and connecting rod b, the upper surface of door closer body and the one end swing joint of connecting rod a, the through-hole has all been seted up to connecting rod a and connecting rod b's one end, be provided with the bearing in the through-hole, and two bearings all cup joint the surface at the pivot, connecting rod b is located connecting rod a's top, connecting rod b's other end fixedly connected with steel ball b, steel ball b sets up in the recess, the quantity of recess is two, and two recesses set up the opposite face at mounting panel an and mounting panel b respectively, mounting panel b is located mounting panel a's top, mounting panel b's top is provided with the bolt, mounting panel b and threaded connection are run through in mounting panel a in the bottom of bolt.

As a preferred embodiment of the utility model, the equal fixedly connected with fixed plate of connecting rod an and connecting rod b's the opposite face, the shape of fixed plate is ring shape, and the opposite face of two fixed plates has all seted up spacing groove b, spacing groove b's shape is ring shape, and is provided with a plurality of steel ball an in two spacing groove b.

As a preferred embodiment of the utility model, the back fixedly connected with curb plate of mounting panel a, the spout has been seted up in the front of curb plate, and sliding connection has the slider in the spout, the front of slider and mounting panel b's back fixed connection.

As an embodiment of the present invention, the opposite surfaces of the mounting plate a and the mounting plate b have all been provided with a spacing groove a, the spacing groove a is provided with a fixture block, and the opposite surfaces of the two fixture blocks have all been provided with a clamping groove, and the connecting rod b is located the clamping groove

As a preferred embodiment of the present invention, the number of the bolts is two, and two bolts are arranged in bilateral symmetry.

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

the hinge structure of the door closer of the utility model can drive the steel ball b to rotate when the connecting rod b rotates by arranging the steel ball b and the groove, the steel ball b can rotate in the groove, so the connecting rod b can rotate stably without shaking, by arranging the fixture block and the limiting groove a, the fixture block can be driven to rotate in the limiting groove a when the connecting rod b rotates, and the fixture block can fix the connecting rod b, so the connecting rod b is more stable in rotation without touching the mounting plate a and the mounting plate b, thereby avoiding the abrasion of the connecting rod b, by arranging the fixing plate, the limiting groove b and the steel ball a, when the connecting rod b and the connecting rod a rotate mutually, the two fixing plates can rotate simultaneously, and the steel ball a can rotate in the limiting groove b, therefore, the connecting rod a and the connecting rod b cannot touch and rub mutually, and the steel ball bears a component force simultaneously, the force is prevented from being completely applied to the rotating shaft and the bearing, and the service life of the rotating shaft and the bearing is prolonged.

The utility model discloses a hinge structure of door closer, through the bolt, the bolt can be in the same place mounting panel an and mounting panel b are fixed, consequently when mounting panel a or mounting panel b wear and tear, can easily change mounting panel a and mounting panel b through twisting the bolt, through setting up slider and spout, mounting panel b can drive the slider and remove in the spout, and is consequently more convenient when mounting panel b and mounting panel a are installed, and can not produce the dislocation between mounting panel a and the mounting panel b.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of the mounting plate a and the mounting plate b viewed from the right in the present invention;

fig. 3 is a schematic top view of the mounting plate a of the present invention;

fig. 4 is a schematic bottom view of the connecting rods a and b of the present invention.

In the figure: 1. a door closer body; 2. a connecting rod a; 3. a connecting rod b; 4. a mounting plate b; 5. a rotating shaft; 6. steel balls a; 7. b, steel balls; 8. a bolt; 9. a side plate; 10. mounting plate a; 11. a clamping block; 12. a groove; 13. and a limiting groove a.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a hinge structure of door closer, including door closer body 1, connecting rod a2 and connecting rod b3, the upper surface of door closer body 1 and the one end swing joint of connecting rod a2, the through-hole has all been seted up to connecting rod a2 and the one end of connecting rod b3, be provided with the bearing in the through-hole, and two bearings all cup joint the surface at pivot 5, connecting rod b3 is located the top of connecting rod a2, the other end fixedly connected with steel ball b7 of connecting rod b3, steel ball b7 sets up in recess 12, the quantity of recess 12 is two, and two recess 12 set up respectively in the opposite face of mounting panel a10 and mounting panel b4, mounting panel b4 is located the top of mounting panel a10, the top of mounting panel b4 is provided with bolt 8, mounting panel b4 and threaded connection are in mounting panel a10 are run.

In the embodiment, referring to fig. 1, the opposite surfaces of the connecting rod a2 and the connecting rod b3 are fixedly connected with fixing plates, the fixing plates are circular, the opposite surfaces of the two fixing plates are both provided with a limiting groove b, the limiting groove b is circular, and the two limiting grooves b are internally provided with a plurality of steel balls a 6; through setting up fixed plate, spacing groove b and steel ball a6, when connecting rod b3 and connecting rod a2 are each other rotatory, two fixed plates can be rotatory simultaneously, and steel ball a6 can be at spacing inslot b internal rotation simultaneously, consequently can not touch the friction each other between connecting rod a2 and the connecting rod b3, and the steel ball has born a part of component simultaneously, avoids power to all exert on pivot 5 and bearing, has prolonged the life of pivot 5 and bearing.

Referring to fig. 1 in this embodiment, a side plate 9 is fixedly connected to the back of the mounting plate a10, a sliding groove is formed in the front of the side plate 9, a sliding block is slidably connected in the sliding groove, and the front of the sliding block is fixedly connected to the back of the mounting plate b 4; through setting up slider and spout, mounting panel b4 can drive the slider and remove in the spout, consequently more convenient when installation mounting panel b4 and mounting panel a10, and can not produce the dislocation between mounting panel a10 and the mounting panel b 4.

Referring to fig. 2 in this embodiment, the opposite surfaces of the mounting plate a10 and the mounting plate b4 are both provided with a limiting groove a13, a clamping block 11 is disposed in the limiting groove a13, the opposite surfaces of the two clamping blocks 11 are both provided with a clamping groove, and the connecting rod b3 is located in the clamping groove; through setting up fixture block 11 and spacing groove a13, can drive fixture block 11 at spacing groove a13 internal rotation when connecting rod b3 is rotatory, and fixture block 11 can fix connecting rod b3, therefore connecting rod b3 is more stable when rotatory, and can not produce the touching with between mounting panel a10 and the mounting panel b4, avoids connecting rod b3 to produce wearing and tearing.

Referring to fig. 2 in this embodiment, the number of the bolts 8 is two, and the two bolts 8 are arranged symmetrically; the bolt 8 can fix the mounting plates a10 and b4 together by the bolt 8, so when the mounting plates a10 or b4 are worn, the mounting plates a10 and b4 can be easily replaced by screwing the bolt 8.

It should be noted that, when the door closer body 1 moves, the connecting rod a2 and the connecting rod b3 can be driven to rotate, the connecting rod a2 and the connecting rod b3 respectively drive the bearings to rotate around the rotating shaft 5, the connecting rod b3 drives the steel ball b7 to rotate in the groove 12, and simultaneously drives the fixture block 11 to move in the limiting groove a13, when the connecting rod b3 rotates, the steel ball b7 can be driven to rotate, the steel ball b7 can rotate in the groove 12, so the connecting rod b3 can stably rotate without shaking, and simultaneously the fixture block 11 can be driven to rotate in the limiting groove a13, and the fixture block 11 can fix the connecting rod b3, so the connecting rod b3 is more stable during rotation, and does not touch the mounting plate a10 and the mounting plate 686b 8, thereby avoiding the connecting rod b3 from being worn, when the connecting rod b3 and the connecting rod a2 mutually rotate, the two fixing plates can simultaneously rotate, and simultaneously the steel ball a, therefore, the connecting rod a2 and the connecting rod b3 cannot touch and rub with each other, and meanwhile, the steel balls bear a part of force, so that the force is prevented from being completely applied to the rotating shaft 5 and the bearing, and the service life of the rotating shaft 5 and the bearing is prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a hinge structure of door closer, includes door closer body (1), connecting rod a (2) and connecting rod b (3), its characterized in that: the upper surface of the door closer body (1) is movably connected with one end of a connecting rod a (2), one end of each of the connecting rod a (2) and the connecting rod b (3) is provided with a through hole, a bearing is arranged in each through hole, and the two bearings are sleeved on the outer surface of the rotating shaft (5), the connecting rod b (3) is positioned above the connecting rod a (2), the other end of the connecting rod b (3) is fixedly connected with steel balls b (7), the steel balls b (7) are arranged in grooves (12), the number of the grooves (12) is two, and two grooves (12) are respectively arranged on the opposite surfaces of the mounting plate a (10) and the mounting plate b (4), the mounting plate b (4) is positioned above the mounting plate a (10), a bolt (8) is arranged above the mounting plate b (4), the bottom end of the bolt (8) penetrates through the mounting plate b (4) and is in threaded connection with the inside of the mounting plate a (10).

2. The hinge structure of a door closer according to claim 1, wherein: the equal fixedly connected with fixed plate of opposite face of connecting rod a (2) and connecting rod b (3), the shape of fixed plate is the ring shape, and the opposite face of two fixed plates has all seted up spacing groove b, spacing groove b's shape is the ring shape, and is provided with a plurality of steel ball a (6) in two spacing groove b.

3. The hinge structure of a door closer according to claim 1, wherein: the back fixedly connected with curb plate (9) of mounting panel a (10), the spout has been seted up in the front of curb plate (9), and sliding connection has the slider in the spout, the front of slider and the back fixed connection of mounting panel b (4).

4. The hinge structure of a door closer according to claim 1, wherein: spacing groove a (13) have all been seted up to the opposite face of mounting panel a (10) and mounting panel b (4), be provided with fixture block (11) in spacing groove a (13), and the draw-in groove has all been seted up to the opposite face of two fixture blocks (11), and connecting rod b (3) are located the draw-in groove.

5. The hinge structure of a door closer according to claim 1, wherein: the number of the bolts (8) is two, and the two bolts (8) are arranged in bilateral symmetry.

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