CN213477984U

CN213477984U - Durable door closer

Info

Publication number: CN213477984U
Application number: CN202022287458.3U
Authority: CN
Inventors: 郭梅; 蔡德福; 蔡红; 周刚; 吕海涛
Original assignee: Kunshan Qingyang Purification System Engineering Co ltd
Current assignee: Kunshan Qingyang Purification System Engineering Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-18
Anticipated expiration: 2030-10-14

Abstract

The utility model relates to a durable type door closer, it includes the ware body, the ware body is provided with hydraulic system, still includes rocker arm structure, rocker arm structure includes that one end rotates connecting rod, the movable rod and the slide bar of being connected of connecting on the ware body, rotate with the connecting rod, the cover is equipped with the reinforced pipe on the connecting rod, the one end that the movable rod is close to the connecting rod is provided with the elastic component, the one end that the connecting rod was kept away from to the slide bar is provided with the bolster, be provided with the air cavity in the bolster. This application has the intensity of strengthening the rocker structure, effectively reduces the impact force that the rocker structure received, prolongs the effect of door closer's service life.

Description

Durable door closer

Technical Field

The application relates to the field of door closers, in particular to a durable door closer.

Background

In order to guarantee the cleanliness of space environment, dust-free workshop is installed the door closer on the door frame more, and the door closer is the overhead hydraulic press of a similar spring of door, can release after compressing when the door is opened, closes the door automatically, has the effect like the spring door, can guarantee that the door is opened the back, accurate, timely initial position of closing, when making things convenient for personnel to pass in and out, the door body in the room can self-closing, avoid external dust to get into in the workshop, guarantee the clean in space.

In view of the above-mentioned related art, the inventor believes that the rocker arm is easily damaged due to large impact on the rocker arm in the process of frequently closing the door.

SUMMERY OF THE UTILITY MODEL

In order to strengthen the intensity of rocker arm structure, effectively reduce the impact force that the rocker arm structure received, prolong door closer's service life, the application provides a durable type door closer.

The application provides a durable type door closer adopts following technical scheme:

the utility model provides a durable type door closer, includes the ware body, the ware body is provided with hydraulic system, its characterized in that: still include rocker arm structure, rocker arm structure includes that one end rotates the connecting rod of connecting on the ware body, rotates movable rod and the slide bar of being connected with the connecting rod, the cover is equipped with the reinforced pipe on the connecting rod, the one end that the movable rod is close to the connecting rod is provided with the elastic component, the one end that the connecting rod was kept away from to the slide bar is provided with the bolster, be provided with the air cavity in the bolster.

Through adopting above-mentioned technical scheme, at the in-process of the switch door body, the door body can produce the striking with the door frame, and the air cavity that sets up in the bolster is convenient for slow down the impact that the slide bar received. The air cavity can produce deformation when receiving the striking, weakens partly impact force, is provided with the elastic component between movable rod and the connecting rod, avoids the movable rod to produce the rigid collision and produce the damaged condition to the connecting rod at the rotation in-process, strengthens the pipe and overlaps and establish on the connecting rod, is convenient for strengthen the intensity of connecting rod, extension service time limit.

Preferably, the movable rod is provided with a sliding groove with two open ends along the length direction, and one end of the sliding rod close to the movable rod is provided with a sliding block.

Through adopting above-mentioned technical scheme, spout and slider are convenient for the slide bar and are slided, reduce the frictional force that the slide bar produced at the slip in-process, reduce the wearing and tearing that produce between slide bar and the movable rod.

Preferably, one end of the elastic part close to the sliding rod is positioned in the sliding groove, and the other end of the elastic part extends outwards along the inner wall of the sliding groove and is sleeved on the outer side of the movable rod.

Through adopting above-mentioned technical scheme, elastic component itself has deformability, when the slide bar slides in getting into the movable rod, reduces the impact that the slide bar produced the movable rod.

Preferably, the outer peripheral wall that the slide bar is close to the bolster has seted up the external screw thread, the connecting hole has been seted up to one side that the bolster is close to the slide bar, the internal thread with external screw thread looks adaptation is seted up to the inner wall of connecting hole.

Through adopting above-mentioned technical scheme, the slide bar passes through the screw thread with the bolster and is connected, easy to assemble and dismantlement to the bolster is installed in slide bar one end, effectively alleviates the impact that the slide bar received.

Preferably, a fixing piece is arranged at one end, away from the sliding rod, of the buffer piece, and a positioning seat is connected to the bottom of the fixing piece.

By adopting the technical scheme, the fixing piece is convenient for connecting the buffering piece with the positioning seat, and the positioning seat is used for fixing the door closer on the door body or the door frame, so that the door closer is convenient to mount and dismount.

Preferably, side plates are arranged on two sides of the positioning seat, through holes are formed in the side plates, positioning holes with the same size as the through holes are formed in one side, close to the positioning seat, of the fixing piece, and positioning rods penetrating through the through holes are inserted in the positioning holes.

Through adopting above-mentioned technical scheme, the curb plate is convenient for install and dismantle the mounting, conveniently adjusts the mounting simultaneously, and the locating lever passes and gets into the locating hole behind the through-hole, is convenient for with mounting fixed mounting on the locating seat, convenient operation.

Preferably, the air cavity is located in the middle of the through hole and the positioning hole and is spherical.

Through adopting above-mentioned technical scheme, the air cavity is globular, and deformability is better, bears the striking back, can effectively reduce the impact force that the slide bar received.

Preferably, the peripheral wall cover of bolster is equipped with the spring, the spring is close to the air cavity setting.

Through adopting above-mentioned technical scheme, for avoiding the bolster great and produce the deformation, establish the spring at bolster periphery wall cover, be convenient for guarantee the stability of bolster.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the reinforcing rod is sleeved on the connecting rod, so that the strength of the connecting rod is improved conveniently, the service life of the connecting rod is prolonged, the elastic piece utilizes the elasticity of the elastic piece to reduce the friction force generated between the movable rod and the connecting rod, and the abrasion is reduced;

2. the air cavity arranged in the buffer piece is convenient for reducing impact force generated between the sliding rod and the positioning seat, avoids damage between the sliding rod and the positioning seat, and further prolongs the service life of the door closer.

Drawings

FIG. 1 is a schematic view of a durable door closer of the present application;

FIG. 2 is a partial exploded view of a durable door closer of the present application;

fig. 3 is a schematic structural diagram of a buffer member of a durable door closer according to the present application.

Description of reference numerals: 1. a body; 2. a hydraulic system; 3. a rocker arm structure; 31. a connecting rod; 32. a movable rod; 33. a slide bar; 4. a reinforcement tube; 5. an elastic member; 6. a buffer member; 7. an air cavity; 8. a chute; 9. a slider; 10. connecting holes; 11. a fixing member; 12. positioning seats; 13. a side plate; 14. a through hole; 15. positioning holes; 16. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses durable type door closer. Referring to fig. 1, the device comprises a device body 1, the device body 1 is provided with a hydraulic system 2 for controlling a rocker arm structure 3 to open and close a door body, the rocker arm structure 3 comprises a connecting rod 31, the door opening and closing device comprises a movable rod 32 and a sliding rod 33, one end of a connecting rod 31 is hinged to the device body 1, the other end of the connecting rod 31 is hinged to the movable rod 32, the sliding rod 33 slides in the movable rod 32 and is connected with the movable rod, a reinforcing pipe 4 is sleeved on the connecting rod 31, strength of the connecting rod 31 is convenient to reinforce, an elastic piece 5 is arranged at one end, close to the connecting rod 31, of the movable rod 32, one end, close to the sliding rod 33, of the elastic piece 5 is located in a sliding groove 8, the other end of the elastic piece 5 is sleeved on the outer side of the movable rod 32 along the outer side of the inner wall of the sliding groove 8 in an outward extending mode, abrasion generated in the rotating process of the movable rod 32 and the connecting rod 31 is convenient to reduce, a buffer.

Referring to fig. 2, open spout 8 in both ends has been seted up along length direction to movable rod 32, the one end that movable rod 33 is close to movable rod 32 is provided with gliding slider 9 in spout 8, the outer wall that movable rod 33 is close to bolster 6 has seted up the external screw thread, the internal thread has been seted up to the inner wall of connecting hole 10, bolster 6 is connected through the screw thread with movable rod 33, the one end that bolster 6 kept away from movable rod 33 is provided with mounting 11, mounting 11's bottom is connected with positioning seat 12, the both sides welding of positioning seat 12 has curb plate 13, through-hole 14 has been seted up on curb plate 13, locating hole 15 has been seted up on mounting 11, it has the locating lever that passes through-hole 14.

Referring to fig. 2 and 3, air cavity 7 is located the intermediate position of through-hole 14 and locating hole 15 and is globular, when receiving the striking, air cavity 7 can produce and warp, alleviate partly striking dynamics, reduce the power that slide bar 33 received, avoid slide bar 33 to receive the loss, the periphery wall cover of bolster 6 is equipped with spring 16, spring 16 is close to the setting of air cavity 7, be convenient for protect bolster 6, avoid when the too big deformation range of bolster 6, produce and warp or damaged, offset some atress simultaneously.

The implementation principle of the durable door closer of the embodiment of the application is as follows: in the use, during the switch door body, the door body can produce the striking with the door frame, the air cavity 7 that sets up in bolster 6 is convenient for slow down the impact that slide bar 33 received, air cavity 7 can produce deformation when receiving the striking, the impact force of weakening partly, be provided with elastic component 5 between movable rod 32 and the connecting rod 31, avoid movable rod 32 to produce the rigid collision and produce the damaged condition to connecting rod 31 at the rotation in-process, 4 covers of reinforced pipe establish on connecting rod 31, be convenient for strengthen connecting rod 31's intensity, the extension service time limit, through strengthening each partial structure of rocker arm structure 3, strengthen the holistic intensity of rocker arm structure 3, the service time limit of extension door closer.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a durable type door closer, includes the ware body (1), ware body (1) is provided with hydraulic system (2), its characterized in that: still include rocker structure (3), rocker structure (3) include that one end rotates connecting rod (31) of connection on the ware body (1), rotate movable rod (32) and slide bar (33) of being connected with connecting rod (31), the cover is equipped with reinforced pipe (4) on connecting rod (31), the one end that movable rod (32) are close to connecting rod (31) is provided with elastic component (5), the one end that connecting rod (31) were kept away from in slide bar (33) is provided with bolster (6), be provided with air cavity (7) in bolster (6).

2. A durable door closer according to claim 1, wherein: the open spout in both ends (8) are seted up along length direction in movable rod (32), the one end that slide bar (33) are close to movable rod (32) is provided with slider (9).

3. A durable door closer according to claim 1, wherein: one end of the elastic piece (5) close to the sliding rod (33) is positioned in the sliding groove (8), and the other end of the elastic piece extends outwards along the inner wall of the sliding groove (8) and is sleeved on the outer side of the movable rod (32).

4. A durable door closer according to claim 1, wherein: the utility model discloses a buffer structure, including slide bar (33), bolster (6), connecting hole (10) have been seted up to the periphery wall that slide bar (33) are close to bolster (6) and have seted up the external screw thread, bolster (6) are close to one side of slide bar (33), the internal thread with external screw thread looks adaptation is seted up to the inner wall of connecting hole (10).

5. A durable door closer according to claim 1, wherein: one end of the buffer piece (6) far away from the sliding rod (33) is provided with a fixing piece (11), and the bottom of the fixing piece (11) is connected with a positioning seat (12).

6. A durable door closer according to claim 5, wherein: the positioning device is characterized in that side plates (13) are arranged on two sides of the positioning seat (12), through holes (14) are formed in the side plates (13), positioning holes (15) which are smaller than the through holes (14) in the same size are formed in one side, close to the positioning seat (12), of the fixing piece (11), and positioning rods penetrating through the through holes (14) are inserted in the positioning holes (15).

7. A durable door closer according to claim 1, wherein: the air cavity (7) is positioned in the middle of the through hole (14) and the positioning hole (15) and is spherical.

8. A durable door closer according to claim 1, wherein: the peripheral wall cover of bolster (6) is equipped with spring (16), spring (16) are close to air cavity (7) and set up.