CN112343445A

CN112343445A - Heavy floor spring

Info

Publication number: CN112343445A
Application number: CN202011344733.9A
Authority: CN
Inventors: 方玉坤
Original assignee: Shanghai Safeone Industrial Co ltd
Current assignee: Shanghai Safeone Industrial Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-02-09

Abstract

The invention discloses a heavy floor spring which comprises a shell, a bearing component and a floor spring body. The shell is divided into a first area and a second area, and the second area is higher than the first area; the bearing component comprises a bearing and a bearing seat, the bearing seat is arranged on the first area, and the bearing is arranged on the bearing seat; the floor spring body is installed in the shell and provided with a rotating shaft, and the rotating shaft penetrates through the bearing and the bearing seat. During installation, the heavy floor spring is connected with the door body through the rotating shaft, the door body is abutted to the bearing and the top of the shell, and therefore the weight of the door body is partially transferred to the shell and the bearing, the bearing capacity of the heavy floor spring is reduced, the bearing performance is improved, and the service life of the heavy floor spring is prolonged. The heavy floor spring provided by the embodiment of the invention can bear a door body with larger weight, improves the use stability and prolongs the service life.

Description

Heavy floor spring

Technical Field

The invention relates to the technical field of door closing devices, in particular to a heavy floor spring.

Background

The floor spring is a hydraulic door closer, except that the device for compressing the spring is a worm gear instead of a rack and pinion. Because the worm wheel can rotate in the positive and negative directions, the floor spring can be used for a door opened in two directions, and the door closer can be used for a door opened in one direction only. The technical key of the floor spring is a bearing seat at the lower part of the main shaft, which determines the bearing grade of the heavy floor spring. However, the floor spring on the market can bear the weight of the door body, and has short service life.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a heavy floor spring which can bear a door body with larger weight, improve the use stability and prolong the service life.

A heavy floor spring according to an embodiment of the present invention includes a housing, a bearing member, and a floor spring body. The shell is divided into a first area and a second area, and the second area is higher than the first area; the bearing component comprises a bearing and a bearing seat, the bearing seat is arranged on the first area, and the bearing is arranged on the bearing seat; the floor spring body is installed in the shell and provided with a rotating shaft, and the rotating shaft penetrates through the bearing and the bearing seat.

The heavy floor spring according to the embodiment of the invention has at least the following beneficial effects: during installation, the heavy floor spring is connected with the door body through the rotating shaft, the door body is abutted to the bearing and the top of the shell, and therefore the weight of the door body is partially transferred to the shell and the bearing, the bearing capacity of the heavy floor spring is reduced, the bearing performance is improved, and the service life of the heavy floor spring is prolonged. The heavy floor spring provided by the embodiment of the invention can bear a door body with larger weight, improves the use stability and prolongs the service life.

According to the heavy floor spring provided by the embodiment of the invention, the second area is provided with the dustproof cover plate, one end of the dustproof cover plate, facing the bearing seat, is turned downwards, and the top of the dustproof cover plate is flush with the top of the bearing seat.

According to the heavy floor spring provided by the embodiment of the invention, the bearing comprises a radial bearing and a plane bearing, the radial bearing is tightly attached to the mounting surface of the bearing seat, and the plane bearing is mounted above the radial bearing.

The heavy floor spring provided by the embodiment of the invention further comprises a panel, wherein the panel is arranged above the shell, a through hole corresponding to the bearing component is formed in the panel, and the panel is fixedly connected with the floor spring body.

According to the heavy floor spring provided by the embodiment of the invention, the panel comprises a first panel and a second panel, the joint of the first panel and the second panel is provided with the through hole, and the first panel and the second panel are respectively and fixedly connected with the floor spring body.

According to the heavy floor spring provided by the embodiment of the invention, the bearing seat comprises a base plate and a mounting part, the mounting part is fixedly connected with the base plate, the base plate is mounted on the first area, and the bearing is mounted in the mounting part.

According to the heavy floor spring provided by the embodiment of the invention, the top rubber is arranged on the bottom plate, and the top of the top rubber is flush with the top of the mounting piece.

The heavy floor spring provided by the embodiment of the invention further comprises an adjusting assembly, and the adjusting assembly is respectively abutted with the floor spring body and the shell.

According to the heavy floor spring provided by the embodiment of the invention, the adjusting assembly comprises a first adjusting assembly and a second adjusting assembly, the first adjusting assembly and the second adjusting assembly are respectively arranged at the other end of the floor spring body, and the first adjusting assembly and the second adjusting assembly are respectively abutted against the floor spring body and the shell.

According to the heavy floor spring provided by the embodiment of the invention, a first gasket is arranged between the rotating shaft and the floor spring body.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an exploded view of a heavy floor spring according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a heavy floor spring according to an embodiment of the present invention;

fig. 3 is a sectional view a-a of fig. 2.

The reference numbers illustrate:

a housing 110; a dust cover plate 120;

a floor spring body 200; a rotating shaft 210; a first spacer 220;

a base plate 310; a mount 320; a radial bearing 330; a flat bearing 340; a top glue 350;

a first panel 410; a second panel 420;

a first adjustment assembly 510; a second adjustment assembly 520.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, several means are one or more, and more means are two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

A heavy floor spring according to an embodiment of the present invention will be described in detail with specific embodiments with reference to fig. 1 to 3. It is to be understood that the following description is only exemplary, and not a specific limitation of the invention.

Referring to fig. 1 to 3, an embodiment of the present invention provides a heavy floor spring including a housing 110, a bearing part, a floor spring body 200, a panel, and an adjustment assembly.

The outer shell 110 is used for being buried in a cement ground, and when the outer shell 110 is installed, a placing groove is usually formed in the cement ground, and the outer shell 110 is placed in the placing groove; the floor spring body 200 is installed in the housing 110 to play a main function. The bearing component comprises a bearing and a bearing seat, the bearing is arranged on the bearing seat, and the bearing seat is fixedly connected with the shell 110 and used for assisting in rotating. The floor spring body 200 is provided with a rotating shaft 210, and the rotating shaft 210 penetrates through the bearing and the bearing seat and is connected with the door body. The panel sets up in the top of shell 110, is provided with the through-hole that corresponds with the bearing part on the panel, panel and floor spring body 200 fixed connection for prevent the entering of dust, improve stability in use, improve the aesthetic property. The adjusting component is respectively abutted against the floor spring body 200 and the shell 110 and used for finely adjusting the position of the floor spring body 200 and fixing the floor spring body 200 so as to enable the steering position of the door body to be accurate.

Referring to fig. 1, in particular, the case 110 has a box shape with an open upper end, and the case 110 is divided into a first region and a second region, which is higher than the first region, to form a stepped structure. The bearing housing is fixed to a first region of the housing 110 by a first screw. And a pressing block is further arranged between the first screw and the bearing seat and used for finely adjusting the bearing seat. The second region of shell 110 is provided with dust cover 120, and dust cover 120 turns over towards the one end of bearing frame downwards, and the bearing frame top flushes with dust cover 120's top, can cover the floor spring body 200 in the second region, prevents the entering of dust, improves stability in use, also plays certain pleasing to the eye effect simultaneously.

The panel includes first panel 410 and second panel 420, and first panel 410 and second panel 420 set up in the top of bearing frame, and the junction of first panel 410 and second panel 420 is provided with the through-hole that corresponds with the bearing part, and first panel 410 and second panel 420 pass through the second screw and are connected with floor spring body 200. Through being provided with first panel 410 and second panel 420, the area of contact of the increase door body and heavy floor spring improves the bearing capacity of heavy floor spring, can cover accessories such as bearing and bearing frame simultaneously, prevents the entering of dust, improves stability in use, improves the aesthetic property.

It should be noted that the bearing seat may also be disposed in the outer shell 110, and in this case, the outer shell 110 and the bearing seat are fixedly connected at the side. However, since the door body is heavy, the solution may cause the service stability of the heavy floor spring to be deteriorated and shorten the service life of the heavy floor spring.

It will be appreciated that the bearing housing includes a base plate 310 and a mounting member 320. The mounting member 320 is a cylinder with an upper opening and a lower opening, a groove matched with the mounting member 320 is arranged on the bearing seat, the bottom plate 310 is arranged on the first area, and the bearing is arranged in the mounting member 320. Through setting up the bearing frame into split type, processing is convenient, improves work efficiency. It is easy to think that the bottom plate 310 and the mounting member 320 can be integrally formed, but the solution is troublesome to process, increases the labor intensity and reduces the production cost.

It should be noted that the bearing seat may also be a bottom plate 310 with a bearing mounting position arranged inside, but the bearing seat adopting this solution has a large thickness and an increased weight, which results in an increased weight of the heavy floor spring.

It is easily contemplated that a top glue 350 is provided on the bottom plate 310, and the top of the top glue 350 is flush with the top of the mounting member 320. Referring to fig. 1 and 3, a certain space is formed between the first panel 410 and the second panel 420 and the bottom plate 310 of the bearing seat, and the door body has a heavy weight, so that the first panel 410 and the second panel 420 are easily deformed to affect the stability of use, and therefore, the top rubber 350 is disposed in the space between the first panel 410 and the second panel 420 and the bearing seat to support the first panel 410 and the second panel 420 to a certain degree, thereby improving the stability of use of the heavy floor spring.

Referring to fig. 1 and 3, the bearing includes a radial bearing 330 and a planar bearing 340, the radial bearing 330 is closely attached to the mounting surface of the bearing seat, and the planar bearing 340 is installed above the radial bearing 330. The radial bearing 330 and the plane bearing 340 are combined for use, which is beneficial to improving the bearing capacity and leading the door body to rotate conveniently. Of course, two plane bearings 340 can be used in combination, but the plane bearings 340 have small thickness, so that the door body can bear low weight; the two radial bearings 330 can be used in combination, but the radial bearings 330 are thick, so that the height of the bearing seat is too high, and the height of the shell is increased, thereby influencing the rotation of the door body.

It is easy to think that the bearing top can also be provided with the second gasket, can prevent that dust from getting into the bearing, improves the stability of using, can also prolong the life of bearing.

Referring to fig. 3, a first spacer 220 is disposed between the shaft 210 and the floor spring body 200. The connecting end of the rotating shaft 210 and the floor spring body is of a square conical structure, so that a non-contact area exists between the floor spring body 200 and the rotating shaft 210, and therefore the first gasket 220 is additionally arranged, contact connection between the rotating shaft 210 and the floor spring body 200 is facilitated, and connection stability is improved.

Referring to fig. 1 and 3, the adjusting assembly includes a first adjusting assembly 510 and a second adjusting assembly 520, the first adjusting assembly 510 and the second adjusting assembly 520 are respectively disposed at both ends of the floor spring body 200, and the first adjusting assembly 510 and the second adjusting assembly 520 are respectively abutted against the floor spring body 200 and the housing 110. The horizontal position of the floor spring body 200 in the housing 110 is finely adjusted by the first and

second adjustment assemblies

510 and 520, thereby increasing the use effect of the heavy floor spring.

Wherein, the first adjusting assembly 510 comprises a first adjusting seat, a first adjusting plate and a first adjusting screw. First regulation seat one side butt floor spring body 200, the bottom that the chamber was held in the opposite side butt. Specifically, the ground spring body 200 is provided with a first regulation hole. The first adjusting seat is a box-shaped structure with an opening at the bottom and a first elongated hole at the top, and the first adjusting seat is abutted to the outer shell 110. First regulating plate sets up in first regulation seat, and first adjusting screw passes first regulation hole and first elongated hole, with first regulating plate cooperation locking, and tip butt shell 110 bottom, makes first adjusting part 510 fix between floor spring body 200 and shell 110 bottom to finely tune floor spring body 200 through adjusting first adjusting screw.

The second adjustment assembly 520 includes a second adjustment block, a second adjustment plate, and a second adjustment screw. The floor spring body 200 is provided with an extension portion, and the extension portion is provided with a second adjusting hole. The second regulation seat is the bottom opening, the top is provided with the box-like structure in second elongated hole, and the side is provided with the slot, second regulation seat and shell 110 bottom looks butt, the second regulating plate is installed in the second regulation seat and both ends activity is pegged graft in the slot, second adjusting screw passes second regulating hole and second elongated hole and second regulating plate cooperation locking, make second adjusting part 520 fix between floor spring body 200 and shell 110 bottom, thereby finely tune floor spring body 200 through adjusting second adjusting screw.

During installation, the heavy floor spring is connected with the door body through the rotating shaft 210, the door body is abutted to the bearing and the top of the shell 110, and therefore the weight of the door body is partially transferred to the shell 110 and the bearing, the bearing capacity of the heavy floor spring is reduced, the bearing performance is improved, and the service life of the heavy floor spring is prolonged. The heavy floor spring provided by the embodiment of the invention can bear a door body with larger weight, improves the use stability and prolongs the service life.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. Heavy floor spring, its characterized in that includes:

a housing divided into a first region and a second region, the second region being higher than the first region;

a bearing component comprising a bearing and a bearing mount, the bearing mount mounted on the first region, the bearing mounted on the bearing mount;

the floor spring body is installed in the shell and provided with a rotating shaft, and the rotating shaft penetrates through the bearing and the bearing seat.

2. The heavy floor spring of claim 1, wherein a dust cover is provided on the second region, the dust cover is folded down toward one end of the bearing seat, and the top of the dust cover is flush with the top of the bearing seat.

3. The heavy floor spring of claim 1, wherein said bearing comprises a radial bearing and a planar bearing, said radial bearing abutting against a mounting surface of said bearing seat, said planar bearing being mounted above said radial bearing.

4. The heavy floor spring of claim 1, further comprising a panel disposed above the housing, wherein a through hole corresponding to the bearing member is disposed on the panel, and the panel is fixedly connected to the floor spring body.

5. The heavy floor spring as claimed in claim 4, wherein the panel comprises a first panel and a second panel, the joint of the first panel and the second panel is provided with the through hole, and the first panel and the second panel are respectively fixedly connected with the floor spring body.

6. The heavy floor spring of claim 1, wherein the bearing housing comprises a base plate and a mounting member, the mounting member being fixedly connected to the base plate, the base plate being mounted on the first area, the bearing being mounted within the mounting member.

7. The heavy floor spring of claim 6, wherein the bottom plate is provided with a top glue, and a top of the top glue is flush with a top of the mounting member.

8. The heavy floor spring of claim 1, further comprising an adjustment assembly abutting the floor spring body and the outer shell, respectively.

9. The heavy floor spring of claim 8, wherein the adjustment assembly comprises a first adjustment assembly and a second adjustment assembly, the first adjustment assembly and the second adjustment assembly being respectively disposed at the other end of the floor spring body, the first adjustment assembly and the second adjustment assembly being respectively abutted against the floor spring body and the housing.

10. The heavy floor spring of claim 1, wherein a first spacer is disposed between the shaft and the floor spring body.