CN212317735U - Door closer based on magnetorheological fluid - Google Patents

Abstract

The utility model discloses a door closer based on magnetorheological suspensions, which comprises a housin, the rear end face fixed mounting of casing has the connecting plate, the equal symmetry in both sides of connecting plate is provided with two bolt holes, the central point of terminal surface puts fixed mounting under the casing has a connecting rod No. one, No. two connecting rods are installed to the front end of a connecting rod, No. two connecting rods pass through the cylindric lock with a connecting rod and are connected, the equal symmetry in both sides of casing up end is provided with spacing draw-in groove, L type pick-up plate is all installed to the both sides of casing, the upper end of L type pick-up plate is provided with the cylindrical groove, the stopper is installed to the inboard in cylindrical groove, the handle is all installed to the both sides of stopper, one side fixed mounting of handle has C type. The utility model discloses simple structure, convenient operation is convenient for detect whether the inboard magnetorheological suspensions of the device reveals, is convenient for change test paper simultaneously, and stability is higher.

Description

Door closer based on magnetorheological fluid

Technical Field

The utility model relates to a door closer technical field specifically is a door closer based on magnetorheological suspensions.

Background

With the rapid development of social economy, a door closer is a spring-like hydraulic press on a door head, when the door is opened, the spring-like hydraulic press can be released after being compressed, the door is automatically closed, the spring-like door has the effect of ensuring that the door is accurately and timely closed to an initial position after being opened, and the modern hydraulic door closer (door closer for short) starts from a patent registered by American people in the early twentieth century, is different from the traditional door closer, and achieves a buffering effect by throttling liquid in the door closer. The core of the design idea of the hydraulic door closer is to realize the control of the door closing process, so that various functional indexes of the door closing process can be adjusted according to the requirements of people.

However, the existing door closer based on magnetorheological fluid is difficult to find the leakage of the magnetorheological fluid in the using process, and further is difficult to overhaul in time, so that the device is inconvenient to use, and the safety of the device is reduced; therefore, the existing requirements are not met, and a door closer based on magnetorheological fluid is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door closer based on magnetorheological suspensions to current door closer based on magnetorheological suspensions that proposes in solving above-mentioned background art is difficult to discover magnetorheological suspensions in the use and reveals, and then is difficult to in time overhaul, and the device's of being not convenient for use has reduced the device's security scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a door closer based on magnetorheological fluid comprises a shell, wherein a connecting plate is fixedly arranged on the rear end face of the shell, two bolt holes are symmetrically formed in two sides of the connecting plate, a first connecting rod is fixedly arranged at the central position of the lower end face of the shell, a second connecting rod is arranged at the front end of the first connecting rod and is connected with the first connecting rod through a cylindrical pin, limiting clamping grooves are symmetrically formed in two sides of the upper end face of the shell, an L-shaped detection plate is arranged on two sides of the shell, a cylindrical groove is formed in the upper end of the L-shaped detection plate, a limiting block is arranged on the inner side of the cylindrical groove, handles are arranged on two sides of the limiting block, a C-shaped limiting rod is fixedly arranged on one side of each handle, a limiting spring is fixedly arranged on the inner sides of the two C-shaped limiting rods, and a transparent window is arranged at, the rear end face of the transparent window is provided with a circulation groove.

Preferably, the inner side of the circulation groove is provided with a detection test paper, and the upper end and the lower end of the detection test paper are symmetrically provided with two positioning columns positioned on the inner wall of the circulation groove.

Preferably, the outer surface of the positioning column is provided with a rubber sheath, and the rubber sheath is connected with the positioning column through grafted rubber.

Preferably, both ends of the limiting spring are completely attached to the C-shaped limiting rod, and the C-shaped limiting rod is connected with the limiting spring through screws.

Preferably, the handle is connected with the C-shaped limiting rod through a screw, a polyurethane sheath is sleeved on the outer surface of the handle, and anti-skid grains are arranged on the outer surface of the polyurethane sheath.

Preferably, the inner surface of the limiting clamping groove is provided with a rubber anti-slip strip, the outer surface of the rubber anti-slip strip is provided with anti-slip particles, and the rubber anti-slip strip is connected with the limiting clamping groove through graft rubber.

Preferably, the rear end face of the shell is completely attached to the front end face of the connecting plate, a rubber elastic base plate is mounted on the rear end face of the connecting plate, and the rubber elastic base plate is connected with the connecting plate through screws.

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

1. the utility model can observe whether the test paper in the inner side of the circulation groove changes color through the transparent window, once the test paper changes color, the magnetorheological fluid in the inner side of the shell is revealed, which is convenient for timely maintenance of the device;

2. the utility model discloses a with the handle to one side removal, the removal of handle has driven C type gag lever post to one side removal, and then makes spacing spring compressed, the bottom and the spacing draw-in groove disconnection of C type gag lever post this moment, at this moment the user can slide the stopper from the inboard in cylindrical groove and take out, later L type pick-up plate says that casing disconnection, user's detachable L type pick-up plate is convenient for change the inboard test paper of L type pick-up plate.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a left side view of the whole of the present invention;

FIG. 3 is a schematic structural view of the stopper of the present invention;

fig. 4 is a schematic structural diagram of the test paper of the present invention.

In the figure: 1. a housing; 2. a connecting plate; 3. bolt holes; 4. an L-shaped detection plate; 5. a transparent window; 6. a first connecting rod; 7. a second connecting rod; 8. a cylindrical pin; 9. a limiting block; 10. a handle; 11. a C-shaped limiting rod; 12. a limiting spring; 13. a cylindrical groove; 14. a limiting clamping groove; 15. a circulation tank; 16. detecting test paper; 17. and a positioning column.

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.

Referring to fig. 1 to 4, the present invention provides an embodiment: a door closer based on magnetorheological fluid comprises a shell 1, wherein a connecting plate 2 is fixedly arranged on the rear end face of the shell 1, two bolt holes 3 are symmetrically formed in two sides of the connecting plate 2, the shell 1 is conveniently and fixedly connected with a door leaf, a first connecting rod 6 is fixedly arranged at the central position of the lower end face of the shell 1, a second connecting rod 7 is arranged at the front end of the first connecting rod 6, the second connecting rod 7 is connected with the first connecting rod 6 through a cylindrical pin 8, the action of the second connecting rod 7 and the first connecting rod 6 is facilitated, limiting clamping grooves 14 are symmetrically formed in two sides of the upper end face of the shell 1, an L-shaped detection plate 4 is arranged on two sides of the shell 1, a cylindrical groove 13 is formed in the upper end of the L-shaped detection plate 4, a limiting block 9 is arranged on the inner side of the cylindrical groove 13, handles 10 are arranged on two sides of the limiting block 9, a C-shaped limiting rod 11 is fixedly arranged, the bottom of the front end face of the L-shaped detection plate 4 is provided with a transparent window 5, and the rear end face of the transparent window 5 is provided with a circulation groove 15.

Furthermore, a detection test paper 16 is installed on the inner side of the flow groove 15, and two positioning columns 17 located on the inner wall of the flow groove 15 are symmetrically installed at the upper end and the lower end of the detection test paper 16.

By adopting the technical scheme, the detection test paper 16 is convenient to limit under the action of the detection test paper 16 and the positioning column 17, and whether the magnetorheological fluid on the inner side of the device leaks can be detected under the action of the detection test paper 16.

Further, the outer surface of the positioning column 17 is provided with a rubber sheath, and the rubber sheath is connected with the positioning column 17 through grafted rubber.

Through adopting above-mentioned technical scheme, through the cooperation of reference column 17 with the rubber sheath, be convenient for play limiting displacement to test paper 16, be convenient for test paper 16's installation and dismantlement.

Further, both ends of the limiting spring 12 are completely attached to the C-shaped limiting rod 11, and the C-shaped limiting rod 11 is connected with the limiting spring 12 through screws.

Through adopting above-mentioned technical scheme, through spacing spring 12 and C type gag lever post 11's cooperation, the removal of the C type gag lever post 11 of being convenient for, and then the fixed connection of the L type pick-up plate 4 and casing 1 of being convenient for.

Further, handle 10 passes through the screw connection with C type gag lever post 11, and the surface of handle 10 has cup jointed the polyurethane sheath, and the surface of polyurethane sheath is provided with anti-skidding line.

Through adopting above-mentioned technical scheme, through the cooperation of handle 10 with C type gag lever post 11, be convenient for control C type gag lever post 11's removal can improve user's comfort level through the effect of handle 10.

Further, the inner surface of the limiting clamping groove 14 is provided with rubber anti-slip strips, the outer surfaces of the rubber anti-slip strips are provided with anti-slip particles, and the rubber anti-slip strips are connected with the limiting clamping groove 14 through graft rubber.

Through adopting above-mentioned technical scheme, through the cooperation of spacing draw-in groove 14 and rubber antislip strip, effectively improved the leakproofness that the device connects.

Further, the rear end face of the shell 1 is completely attached to the front end face of the connecting plate 2, a rubber elastic base plate is mounted on the rear end face of the connecting plate 2, and the rubber elastic base plate is connected with the connecting plate 2 through screws.

Through adopting above-mentioned technical scheme, through the cooperation of casing 1 with connecting plate 2, effectively improved the stability that the device is connected, can play the effect of shockproof buffering to casing 1 through the effect of rubber elasticity backing plate.

The working principle is as follows: when the door leaf is closed, the spring rebounds to push the rack to move, so that the gear is driven to rotate, the first connecting rod 6 is driven to move, the shell 1 is driven to move, and the door leaf is driven to rotate;

whether the user accessible transparent window 5 observes test paper 16 in the inboard of circulation groove 15 changes colors in the device use, in case test paper 16 changes colors and explains promptly that the inboard magnetorheological suspensions of casing 1 reveals, be convenient for in time overhaul the device, when needing to change the ware, the user can grasp handle 10, and move handle 10 to one side, the removal of handle 10 has driven C type gag lever post 11 to one side removal, and then make spacing spring 12 compressed, the bottom and the spacing draw-in groove 14 disconnection of C type gag lever post 11 this moment, at this moment the user can slide the inboard of taking out stopper 9 from cylindrical groove 13, L type pick-up plate 4 says 1 disconnection of casing, the user can take off L type pick-up plate 4, be convenient for change L type pick-up plate 4 inboard test paper 16.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims (7)

1. A door closer based on magnetorheological fluid comprises a shell (1), and is characterized in that: the rear end face of the shell (1) is fixedly provided with a connecting plate (2), two bolt holes (3) are symmetrically formed in two sides of the connecting plate (2), a first connecting rod (6) is fixedly arranged at the central position of the lower end face of the shell (1), a second connecting rod (7) is arranged at the front end of the first connecting rod (6), the second connecting rod (7) is connected with the first connecting rod (6) through a cylindrical pin (8), limiting clamping grooves (14) are symmetrically formed in two sides of the upper end face of the shell (1), an L-shaped detection plate (4) is arranged on two sides of the shell (1), a cylindrical groove (13) is formed in the upper end of the L-shaped detection plate (4), a limiting block (9) is arranged on the inner side of the cylindrical groove (13), handles (10) are arranged on two sides of the limiting block (9), and a C-shaped limiting rod (11) is fixedly arranged on one side of each handle, two the inboard fixed mounting of C type gag lever post (11) has spacing spring (12), the bottom of the terminal surface is equipped with transparent window (5) before L type pick-up plate (4), the rear end face of transparent window (5) is provided with circulation groove (15).

2. A magnetorheological fluid based door closer according to claim 1, wherein: the inner side of the circulation groove (15) is provided with a detection test paper (16), and the upper end and the lower end of the detection test paper (16) are symmetrically provided with two positioning columns (17) positioned on the inner wall of the circulation groove (15).

3. A door closer based on magnetorheological fluid according to claim 2, wherein: the outer surface of the positioning column (17) is provided with a rubber sheath, and the rubber sheath is connected with the positioning column (17) through grafted rubber.

4. A magnetorheological fluid based door closer according to claim 1, wherein: the two ends of the limiting spring (12) are completely attached to the C-shaped limiting rod (11), and the C-shaped limiting rod (11) is connected with the limiting spring (12) through screws.

5. A magnetorheological fluid based door closer according to claim 1, wherein: the handle (10) is connected with the C-shaped limiting rod (11) through screws, a polyurethane sheath is sleeved on the outer surface of the handle (10), and anti-skid lines are arranged on the outer surface of the polyurethane sheath.

6. A magnetorheological fluid based door closer according to claim 1, wherein: the inner surface of the limiting clamping groove (14) is provided with rubber anti-slip strips, anti-slip particles are arranged on the outer surfaces of the rubber anti-slip strips, and the rubber anti-slip strips are connected with the limiting clamping groove (14) through graft glue.

7. A magnetorheological fluid based door closer according to claim 1, wherein: the rear end face of the shell (1) is completely attached to the front end face of the connecting plate (2), the rear end face of the connecting plate (2) is provided with a rubber elastic base plate, and the rubber elastic base plate is connected with the connecting plate (2) through screws.

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