CN209838046U

CN209838046U - Door closer

Info

Publication number: CN209838046U
Application number: CN201822212321.4U
Authority: CN
Inventors: 陈福生; 陈健孙
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2019-12-24
Anticipated expiration: 2028-12-27

Abstract

The utility model discloses a door closer, comprises a sea, mounting hole one has been seted up to a lateral wall of pedestal, the inside of mounting hole one is provided with first wear-resisting circle, and the inside of first wear-resisting circle is provided with first piston, the inside of mounting hole one, and one side of first wear-resisting circle is provided with the wear-resisting circle of second. The door closer comprises a seat body, a clamping assembly, a positioning base assembly, an installation screw, a decorative outer box and the like. The use place is unrestricted, from taking glass holder, speed control valve embeds the power of closing the door, and core motion part uses cartridge formula structure to reduce the requirement to the casing material, the part that will require the sealing processing is miniaturized, and the machine tool is also miniaturized just, thereby saves manufacturing cost, and the manufacturing scheme is implemented more easily, uses wear-resisting subassembly, product long service life, and the installation construction is simple, saves user's use cost, can replace the door combination of closing of conventional glass door clamp and floor spring.

Description

Door closer

Technical Field

The utility model belongs to the technical field of the door closer, concretely relates to door closer.

Background

The floor spring is a hydraulic door closer, except that the means for compressing the spring is a cam, rather than a rack and pinion. Since the cam can rotate in the forward and reverse directions, the floor spring can be used for a door which is opened in both directions.

When the glass door is installed on a commercial door surface or at home, a door clamp is installed at the upper corner and the lower corner of the glass door plate close to the vertical surface of the door frame, and the door clamp is provided with a shaft hole in a clamping manner and matched with a shaft pin installed at the corresponding position of the top of the door frame to form an upper support of the glass door. The lower glass door is provided with a rectangular taper hole, and the rectangular taper hole is matched with a flat conical shaft head of a traditional ground spring protruding out of the ground to form a lower glass door support.

The aforesaid installation will be realized, a breach will be cut to glass door plant one side lower upper and lower corner, drill a through-hole, the door presss from both sides the ground that corresponds the installation floor spring and still will dig a recess that is greater than floor spring cement box overall dimension down, bury the floor spring underground and fix in the recess, cement is pour after that, waiting several days the grout solidifies and reach the use strength and just can install the glass door, such mounting means, not only the installation cycle is long, user's use cost is also big, the installation floor spring, because dig the recess and bury in subaerial, the building structure can be destroyed in the installation on the floor, cause the potential safety hazard, so the floor spring has certain limitation on the use area.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door closer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a door closer comprises a base body, wherein a first mounting hole is formed in one side wall of the base body, a first wear-resisting ring is arranged inside the first mounting hole, a first piston is arranged inside the first wear-resisting ring, a second wear-resisting ring is arranged inside the first mounting hole and on one side of the first wear-resisting ring, a second piston is arranged inside the second wear-resisting ring, a sealing cover is in threaded connection with a port of the first mounting hole, a second mounting hole is formed in the top end of the base body, a first bearing is arranged inside the second mounting hole, a cam penetrates through the first bearing, a cam shaft is fixedly connected to the top end of the cam shaft, a second bearing and a rotary sealing ring penetrate through the end portion of the cam shaft in sequence, a bearing seat is in threaded connection with the port of the second mounting hole, a third mounting hole is formed in one side wall of the first mounting hole in symmetry of the base body, and a spring is arranged inside the third mounting hole, and a sealing ring is arranged at the end part of the spring, and an end cover is arranged at the end part of the mounting hole III.

This setting is used for the part miniaturization through the sealing processing, and the machine tool is also miniaturized to save manufacturing cost, the manufacturing scheme is implemented more easily, uses wear-resisting subassembly, product long service life, and the installation is under construction simply, saves user's use cost.

Preferably, the top of pedestal is provided with the holding strip, the both sides wall is provided with decorative board one and decorative board two respectively around the pedestal, the tip of camshaft runs through shield and adjusting plate in proper order, the bottom of shield is provided with the fixing base.

Preferably, a screw is connected between the first decorative plate and the second decorative plate in a threaded manner, and an expansion screw is arranged in the fixed seat.

Preferably, a first speed regulating valve and a second speed regulating valve are respectively arranged on the surface of the seat body and one side close to the first mounting hole.

The arrangement is used for the built-in door closing power of the speed regulating valve, and the core moving part adopts a plug-in mounting type structure, so that the requirement on the shell material is reduced.

Preferably, a clamp spring is arranged inside the third mounting hole and on one side of the end cover.

This setting is used for improving the stability of end cover in three insides of mounting hole, also conveniently dismantles the end cover through setting up the jump ring, improves the convenience of using.

The utility model discloses a technological effect and advantage: the door closer comprises a seat body, a clamping assembly, a positioning base assembly, an installation screw, a decorative outer box and the like. The use place is unrestricted, from taking glass holder, speed control valve embeds the power of closing the door, and core motion part uses cartridge formula structure to reduce the requirement to the casing material, the part that will require the sealing processing is miniaturized, and the machine tool is also miniaturized just, thereby saves manufacturing cost, and the manufacturing scheme is implemented more easily, uses wear-resisting subassembly, product long service life, and the installation construction is simple, saves user's use cost, can replace the door combination of closing of conventional glass door clamp and floor spring.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

fig. 2 is an exploded view of the seat body of the present invention.

In the figure: 1. a base body; 101. a first mounting hole; 102. a first wear ring; 103. a first piston; 104. A second wear ring; 105. a second piston; 106. a sealing cover; 107. a second mounting hole; 108. a first bearing; 109. a cam; 110. a camshaft; 111. a second bearing; 112. rotating the sealing ring; 113. a bearing seat; 114. a third mounting hole; 115. a spring; 116. a seal ring; 117. an end cap; 118. a first speed regulating valve; 119. a second speed regulating valve; 120. a clamp spring; 2. clamping strips; 3. a first decorative plate; 4. a second decorative plate; 5. A dust cover; 6. an adjustment plate; 7. a fixed seat; 8. a machine-meter screw; 9. and (4) expanding the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a door closer as shown in fig. 1-2, including pedestal 1, a mounting hole 101 has been seted up to a lateral wall of pedestal 1, the inside of mounting hole 101 is provided with first wear-resisting circle 102, and the inside of first wear-resisting circle 102 is provided with first piston 103, the inside of mounting hole 101, and one side of first wear-resisting circle 102 is provided with second wear-resisting circle 104, the inside of second wear-resisting circle 104 is provided with second piston 105, threaded connection has sealed lid 106 at the port department of mounting hole 101, mounting hole two 107 has been seted up at the top of pedestal 1, the inside of mounting hole two 107 is provided with first bearing 108, the inside of first bearing 108 has run through cam 109, and the top fixedly connected with camshaft 110 of cam 109, the tip of camshaft 110 has run through second bearing 111 and rotatory sealing washer 112 in proper order, the port department threaded connection of mounting hole two 107 has bearing frame 113, mounting hole three 114 has been seted up on the lateral wall of pedestal 1 symmetry mounting hole one 101, the inside of mounting hole three 114 is provided with spring 115, spring 115's tip is provided with sealing washer 116, mounting hole three 114's tip is provided with end cover 117.

Specifically, the top of pedestal 1 is provided with holding strip 2, the front and back both sides wall of pedestal 1 is provided with decorative board one 3 and decorative board two 4 respectively, shield 5 and adjusting plate 6 are run through in proper order to the tip of camshaft 110, the bottom of shield 5 is provided with fixing base 7.

Specifically, threaded connection has machine meter screw 8 between decorative board 3 and the decorative board two 4, the inside of fixing base 7 is provided with inflation screw 9.

Specifically, a first speed regulating valve 118 and a second speed regulating valve 119 are respectively arranged on one side of the surface of the seat body 1, which is close to the first mounting hole 101.

Specifically, inside the third mounting hole 114, and one side of the end cover 117 is provided with a snap spring 120.

The door closer comprises a seat body 1, a clamping assembly, a positioning base assembly, mounting screws, a decorative outer box and the like. The use place is unrestricted, from taking glass holder, speed control valve embeds the power of closing the door, and core motion part uses cartridge formula structure to reduce the requirement to the casing material, the part that will require the sealing processing is miniaturized, and the machine tool is also miniaturized just, thereby saves manufacturing cost, and the manufacturing scheme is implemented more easily, uses wear-resisting subassembly, product long service life, and the installation construction is simple, saves user's use cost, can replace the door combination of closing of conventional glass door clamp and floor spring.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a door closer, includes pedestal (1), its characterized in that: a first mounting hole (101) is formed in one side wall of the base body (1), a first wear-resistant ring (102) is arranged inside the first mounting hole (101), a first piston (103) is arranged inside the first wear-resistant ring (102), a second wear-resistant ring (104) is arranged on one side of the first wear-resistant ring (102), a second piston (105) is arranged inside the second wear-resistant ring (104), a sealing cover (106) is connected to a port of the first mounting hole (101) in a threaded manner, a second mounting hole (107) is formed in the top end of the base body (1), a first bearing (108) is arranged inside the second mounting hole (107), a cam (109) penetrates through the inside of the first bearing (108), a cam shaft (110) is fixedly connected to the top end of the cam (109), and a second bearing (111) and a rotary sealing ring (112) sequentially penetrate through the end of the cam shaft (110), the port department threaded connection of mounting hole two (107) has bearing frame (113), mounting hole three (114) have been seted up on the lateral wall of pedestal (1) symmetry mounting hole one (101), the inside of mounting hole three (114) is provided with spring (115), the tip of spring (115) is provided with sealing washer (116), the tip of mounting hole three (114) is provided with end cover (117).

2. A door closer according to claim 1, wherein: the top of pedestal (1) is provided with holding strip (2), the front and back both sides wall of pedestal (1) is provided with decorative board (3) and decorative board two (4) respectively, shield (5) and adjusting plate (6) are run through in proper order to the tip of camshaft (110), the bottom of shield (5) is provided with fixing base (7).

3. A door closer according to claim 2, wherein: threaded connection has machine rice screw (8) between decorative board (3) and decorative board two (4), the inside of fixing base (7) is provided with inflation screw (9).

4. A door closer according to claim 1, wherein: and a first speed regulating valve (118) and a second speed regulating valve (119) are respectively arranged on the surface of the seat body (1) and one side of the seat body close to the first mounting hole (101).

5. A door closer according to claim 1, wherein: and a clamp spring (120) is arranged in the third mounting hole (114) and on one side of the end cover (117).