CN214145144U

CN214145144U - Closer cam assembly

Info

Publication number: CN214145144U
Application number: CN202022941543.7U
Authority: CN
Inventors: 赵锦攀; 黄申
Original assignee: Zhaoqing Yuxing Gated Co ltd
Current assignee: Zhaoqing Yuxing Gated Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-09-07
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a closer cam subassembly, including cam and cam frame, the cam includes body, pivot and installation axle, and the both ends of body are located respectively to pivot and installation axle, and the cam frame is equipped with the mounting hole, and the body cooperatees with the mounting hole, and pivot and installation axle are located the upper and lower both ends of cam frame respectively, and the back wall of mounting hole is equipped with the arch. The cam outer frame is arranged and connected with the piston through the cam outer frame, so that the motion of the piston is kept consistent with the motion of the cam outer frame and the motion of the cam, and the stability of the motion transmission of the cam is improved; through being equipped with the arch in the mounting hole for the body of cam is installed in the mounting hole back, through mounting hole inner wall and bellied combined action, can be so that the cam drives the cam frame and rotates when rotating, and through the effect of arch and body, realize the positioning action to the body, thereby realized the positioning action of cam to the door and window, convenient to use, and make the installation direction of cam not divide about, simple to operate.

Description

Closer cam assembly

Technical Field

The utility model belongs to an important component of door and window closer especially relates to a closer cam subassembly.

Background

When the door and window closer is used, a door and a window are arranged on a rotating shaft of the cam, the cam is driven to rotate through the rotation of the door and the window, and the opening angle of the door and the window is positioned through the cam during positioning. When the existing cam is installed, the cam is directly contacted with the piston and pushes the piston to move through the cam; when the farthest end of the cam is contacted with the piston, the spring in the closer is compressed under the action of the piston, and the door and the window are positioned under the action of the cam; when the door leaf continues to rotate and drives the cam to rotate, the cam directly rotates over the highest point, and the closing device is internally provided with the piston which is slower than the cam in speed due to the action of hydraulic pressure and the spring, so that the cam is separated from the piston easily, and the normal use of the cam is influenced. Meanwhile, the existing cam is only suitable for installing left or right doors and windows singly, the application range is limited, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can solve at least one of above-mentioned problem a closer cam subassembly.

According to the utility model discloses an aspect provides a closer cam subassembly, including cam and cam frame, the cam includes body, pivot and installation axle, and the both ends of body are located respectively to pivot and installation axle, and the cam frame is equipped with the mounting hole, and the body cooperatees with the mounting hole, and pivot and installation axle are located the upper and lower both ends of cam frame respectively, and the back wall of mounting hole is equipped with the arch.

The utility model has the advantages that: the cam outer frame is arranged and connected with the piston through the cam outer frame, so that the motion of the piston is kept consistent with the motion of the cam outer frame and the motion of the cam, and the stability of the motion transmission of the cam is improved; through being equipped with the arch in the mounting hole for the body of cam is installed in the mounting hole back, through mounting hole inner wall and bellied combined action, can be so that the cam drives the cam frame and rotates when rotating, and through the effect of arch and body, realizes the positioning action to the body, thereby has realized the positioning action of cam to the door and window, convenient to use, and positional stability is high.

In some embodiments, the body includes arcwall face, first inclined plane and second inclined plane, and the both ends of arcwall face are located respectively to the one end on first inclined plane and the one end on second inclined plane, and the other end on first inclined plane coincides with the other end on second inclined plane, and the contained angle of first inclined plane and arcwall face equals the contained angle of second inclined plane and arcwall face. Therefore, the cam can conveniently rotate by arranging the arc-shaped surface; through being equipped with first inclined plane and second inclined plane, conveniently with the mounting hole back wall on protruding and the antetheca act on mutually, promote the cam frame and move back-and-forth under the effect of cam, and make things convenient for the location of cam.

In some embodiments, the bottom of pivot is equipped with the backup pad, and the backup pad is circular, and the external diameter of backup pad is greater than the external diameter of pivot, and the external diameter of backup pad is unanimous with the external diameter of arcwall face, and the body is located between backup pad and the installation axle. From this, be equipped with the backup pad, can make things convenient for the cooperation of body and mounting hole, and make things convenient for the installation of cam and door and window.

In some embodiments, the outer edge of the arcuate face is flush with the outer edge of the support plate. Therefore, the normal rotation of the cam can be facilitated.

In some embodiments, the axis of the rotating shaft, the center of the support plate and the axis of the rotating shaft are on the same straight line, and a line of coincidence of the other end of the first inclined surface and the other end of the second inclined surface coincides with the axis of the rotating shaft. Therefore, the cam can be conveniently rotated, and the left and right adjustment of the cam to the installation direction is convenient.

In some embodiments, the length of the mounting hole in the cam outer frame is greater than or equal to the diameter of the circle where the arc-shaped surface is located, and the distance between the protrusion and the front wall of the mounting hole is equal to the radius of the circle where the arc-shaped surface is located. Therefore, when the cam rotates to the other side of the protrusion, the cam normally rotates, the body of the cam can be guaranteed to act on the front wall of the protrusion and the front wall of the mounting hole, and the cam outer frame is convenient to push to normally move.

In some embodiments, the front side of the cam outer frame is provided with a clamping groove, and the clamping groove is positioned at the front side of the mounting hole. Therefore, the clamping groove is formed, one end of the piston is conveniently fixed in the clamping groove, and the piston and the cam outer frame can conveniently move in a consistent mode.

In some embodiments, the shaft, the support plate, the body, and the mounting shaft are integrally formed. Therefore, the cam is convenient to produce and process, and the use strength of the cam is ensured.

In some embodiments, the protrusion includes a horizontal surface, a third inclined surface and a fourth inclined surface, the third inclined surface and the fourth inclined surface are respectively disposed at two ends of the horizontal surface, the horizontal surface is parallel to the front wall of the mounting hole, and an included angle between the third inclined surface and the horizontal surface is equal to an included angle between the fourth inclined surface and the horizontal surface. Therefore, the body and the protrusions can be conveniently acted, the body can stably act with the protrusions on the left side and the right side of the protrusions, and the installation direction of the cam can be conveniently adjusted.

In some embodiments, the third inclined surface may be attached to the first inclined surface, and the fourth inclined surface may be attached to the second inclined surface. From this, effectively avoided the cam dead phenomenon of card to appear when rotating, simultaneously, through the cooperation of face with the face, stability when having improved the cam location improves the positioning force.

Drawings

Fig. 1 is a schematic structural view of a shutter cam assembly of the present invention;

fig. 2 is a schematic view of one of the views of the cam of the shutter cam assembly of the present invention;

fig. 3 is a schematic view of another perspective of the cam of the shutter cam assembly of the present invention;

fig. 4 is a schematic structural view of a cam outer frame in the cam assembly of the closer of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Refer to fig. 1 to 4. Closing ware cam subassembly, including cam 1 and cam frame 2, cam 1 includes body 11, pivot 12 and installation axle 13, and body 11's both ends are located respectively to pivot 12 and installation axle 13, and cam frame 2 is equipped with mounting hole 21, and body 11 cooperatees with mounting hole 21, and pivot 12 and installation axle 13 are located the upper and lower both ends of cam frame 2 respectively, and the back wall 211 of mounting hole 21 is equipped with protruding 22. When the cam 1 and the cam outer frame 2 are assembled, the body 11 is inserted into the mounting hole 21 and positioned at one side of the bulge 22; the bottom end of the cam 1 is arranged on the closer through the mounting shaft 13, so that the cam 1 can rotate conveniently; through 12 and door and window cooperation installations of pivot for door and window can drive pivot 12 and rotate, realizes cam 1's rotation, and through the location of cam 1 on cam frame 2, realizes door and window's location.

The utility model discloses a closer cam subassembly can be used for the location when being 90 to door and window opening angle, through the effect of body 11 and

arch

22, 21 inner walls of mounting hole, realizes being 90 location to door and window opening angle.

The body 11 includes an arc surface 111, a first inclined surface 112 and a second inclined surface 113, one end of the first inclined surface 112 and one end of the second inclined surface 113 are respectively disposed at two ends of the arc surface 111, the other end of the first inclined surface 112 coincides with the other end of the second inclined surface 113, and an included angle between the first inclined surface 112 and the arc surface 111 is equal to an included angle between the second inclined surface 113 and the arc surface 111. The joint of the first inclined surface 112 and the arc surface 111 is connected through a transition arc, so that the first inclined surface and the arc surface are convenient to transition stably; the junction of the second inclined surface 113 and the arc surface 111 is connected through a transition arc, so that the smooth transition between the two is facilitated. Because the included angle between the first inclined surface 112 and the arc-shaped surface 111 is equal to the included angle between the second inclined surface 113 and the arc-shaped surface 111, the left side or the right side of the bulge 22 for mounting the cam 1 is convenient, and the reversing mounting of the cam 1 is convenient.

The bottom of pivot 12 is equipped with backup pad 14, and backup pad 14 is circular, and the external diameter of backup pad 14 is greater than the external diameter of pivot 12, and the external diameter of backup pad 14 is unanimous with the external diameter of arcwall face 111, and body 11 is located between backup pad 14 and installation axle 13. By arranging the support plate 14, and the outer diameter of the support plate 14 is consistent with that of the arc-shaped surface 111, the rotating shaft 12 can be limited above the mounting hole 21, so that the rotating shaft 12 and a door window can be conveniently mounted; meanwhile, the body 11 can be conveniently driven to rotate stably in the mounting hole 21 through the rotating shaft 12.

The outer edges of the arcuate faces 111 are flush with the outer edges of the support plate 14. Thereby, the molding and processing of the cam 1 are facilitated.

The axis of the rotating shaft 12, the center of the supporting plate 14 and the axis of the rotating shaft are on the same straight line, and the coincidence line of the other end of the first inclined surface 112 and the other end of the second inclined surface 113 coincides with the axis of the rotating shaft 12. Therefore, when the cam 1 rotates, the cam rotates along the axis of the rotating shaft 12, that is, the first inclined surface 112 and the second inclined surface 113 are located on the same side of the axis of the rotating shaft 12, so that the rotating shaft 12 rotates to drive the body 11 to change directions.

The length of the mounting hole 21 in the cam outer frame 2 is greater than or equal to the diameter of the circle where the arc-shaped surface 111 is located, so that the body 11 can rotate on any side of the protrusion 22; the distance between the protrusion 22 and the front wall 212 of the mounting hole 21 is equal to the radius of the circle on which the arc-shaped surface 111 is located, so that the body 1 can be accommodated between the protrusion 22 and the front wall 212 of the mounting hole 21 when the cam 1 is reversed, and the body 1 can be rotated to the other side of the protrusion.

The front side of the cam outer frame 2 is provided with a clamping groove 23, and the clamping groove 23 is positioned at the front side of the mounting hole 21. In the actual use process, one end of the piston is matched with the clamping groove 23, and one end of the piston is fixed in the clamping groove 23, so that the piston and the cam outer frame 2 can keep the moving consistency conveniently.

The rotating shaft 12, the supporting plate 14, the body 11 and the mounting shaft 13 are integrally formed. Therefore, the cam 1 is convenient to produce and process, and the use strength of the cam 1 is ensured.

The protrusion 22 includes a horizontal surface 221, a third inclined surface 222 and a fourth inclined surface 223, the third inclined surface 222 and the fourth inclined surface 223 are respectively disposed at two ends of the horizontal surface 221, the horizontal surface 221 is parallel to the front wall 212 of the mounting hole 21, and an included angle between the third inclined surface 222 and the horizontal surface 221 is equal to an included angle between the fourth inclined surface 223 and the horizontal surface 221. Wherein, the protrusion 22 and the cam outer frame 2 are formed as an integral structure. Therefore, the body and the protrusion 22 can be conveniently acted, the body 11 can be stably acted with the protrusion 22 on the left side and the right side of the protrusion 22, and the installation direction of the cam 1 can be conveniently adjusted.

The third inclined surface 222 can be attached to the first inclined surface 112, and the fourth inclined surface 223 can be attached to the second inclined surface 113. From this, effectively avoided the cam dead phenomenon of card to appear when rotating, simultaneously, through the cooperation of face with the face, stability when having improved the cam location improves the positioning force.

When the cam 1 is installed at the left side of the installation hole 21, and is suitable for doors and windows with corresponding side opening angles, the specific process of the cam 1 in the opening and closing state of the door leaf is as follows:

when the door and window is in a closed state, the transition section of the first inclined surface 112 and the arc-shaped surface 111 of the body 11 is in contact with the protrusion 22, and the second inclined surface 113 is in contact with the front wall 212 of the mounting hole 21; along with opening of door and window, door and window drive cam 1 rotates, and first inclined plane 112 contacts with the third inclined plane 222 of arch 22, and second inclined plane 113 rotates gradually for second inclined plane 113 and arcwall face 111 changeover portion act on with the antetheca 212 of mounting hole 21 mutually, make second inclined plane 113 and arcwall face 111 changeover portion promote the relative cam 1 of cam frame 2 and move forward. With the continuous opening of the door and window, when the opening angle reaches 90 degrees, the junction of the first inclined surface 112 and the second inclined surface 113 rotates to the horizontal plane 221 of the protrusion 22, the door and window is prevented from being further opened by the protrusion 22, and therefore the door and window is positioned when the opening angle is 90 degrees. The closer cam assembly is suitable for doors and windows with a one-way opening angle of 90 degrees.

When the opening direction of door and window is to the opposite side, cam 1 need install the right side at mounting hole 21, then before door and window installation, adopt external tools such as spanner to act on pivot 12, rotate pivot 12, when external force drove cam 1 to rotate foretell door and window opening angle and be 90 positions, adopt great external force to continue to pull pivot 12 for external force overcomes the resistance of protruding 22 and first inclined plane 112 and second inclined plane 113 junction, makes cam 1 rotate to the right side of mounting hole 21. The principle of positioning the door and window by the cam 1 in the state is the same as that of the cam 1, and specifically comprises the following steps:

when the door and window is in a closed state, the second inclined surface 113 of the body 11 and the transition section of the arc-shaped surface 111 are in contact with the protrusion 22, and the first inclined surface 112 is in contact with the front wall 212 of the mounting hole 21; along with opening of door and window, door and window drive cam 1 rotates, and second inclined plane 113 contacts with the fourth inclined plane 223 of protruding 22, and first inclined plane 112 rotates gradually for first inclined plane 112 and the preceding wall 212 of arcwall face 111 changeover portion and mounting hole 21 are used mutually, make first inclined plane 112 and arcwall face 111 changeover portion promote the relative cam 1 of cam frame 2 and move forward. With the continuous opening of the door and window, when the opening angle reaches 90 degrees, the junction of the first inclined surface 112 and the second inclined surface 113 rotates to the horizontal plane 221 of the protrusion 22, the door and window is prevented from being further opened by the protrusion 22, and therefore the door and window is positioned when the opening angle is 90 degrees.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these all fall into the protection scope of the present invention.

Claims

1. Closer cam subassembly, its characterized in that, including cam (1) and cam frame (2), cam (1) includes body (11), pivot (12) and installation axle (13), the both ends of body (11) are located respectively in pivot (12) and installation axle (13), cam frame (2) are equipped with mounting hole (21), body (11) cooperate with mounting hole (21), pivot (12) and installation axle (13) are located the upper and lower both ends of cam frame (2) respectively, back wall (211) of mounting hole (21) are equipped with arch (22).

2. The shutter cam assembly according to claim 1, wherein the body (11) includes an arc-shaped surface (111), a first inclined surface (112) and a second inclined surface (113), one end of the first inclined surface (112) and one end of the second inclined surface (113) are respectively disposed at two ends of the arc-shaped surface (111), the other end of the first inclined surface (112) coincides with the other end of the second inclined surface (113), and an included angle between the first inclined surface (112) and the arc-shaped surface (111) is equal to an included angle between the second inclined surface (113) and the arc-shaped surface (111).

3. A shutter cam assembly according to claim 2, wherein a support plate (14) is provided at the bottom of the rotary shaft (12), the support plate (14) is circular, the outer diameter of the support plate (14) is larger than the outer diameter of the rotary shaft (12), the outer diameter of the support plate (14) is identical to the outer diameter of the arc-shaped surface (111), and the body (11) is located between the support plate (14) and the mounting shaft (13).

4. A shutter cam assembly according to claim 3, wherein the outer edge of the arcuate surface (111) is flush with the outer edge of the support plate (14).

5. A shutter cam assembly according to claim 4, wherein the axis of the shaft (12), the centre of the support plate (14) and the axis of the shaft are collinear, and the line joining the other end of the first inclined surface (112) and the other end of the second inclined surface (113) coincides with the axis of the shaft (12).

6. The shutter cam assembly according to claim 5, characterized in that the length of the mounting hole (21) in the cam housing (2) is greater than or equal to the diameter of the circle on which the arc-shaped surface (111) is located, and the distance between the protrusion (22) and the front wall (212) of the mounting hole (21) is equal to the radius of the circle on which the arc-shaped surface (111) is located.

7. A shutter cam assembly according to claim 6, wherein the cam casing (2) is provided with a catch (23) at a front side thereof, the catch (23) being located at a front side of the mounting hole (21).

8. A shutter cam assembly according to any one of claims 3 to 7, wherein the shaft (12), support plate (14), body (11) and mounting shaft (13) are of integral construction.

9. The shutter cam assembly of any one of claims 2 to 6, wherein the projection (22) comprises a horizontal surface (221), a third inclined surface (222) and a fourth inclined surface (223), the third inclined surface (222) and the fourth inclined surface (223) are respectively disposed at two ends of the horizontal surface (221), the horizontal surface (221) is parallel to the front wall (212) of the mounting hole (21), and an included angle between the third inclined surface (222) and the horizontal surface (221) is equal to an included angle between the fourth inclined surface (223) and the horizontal surface (221).

10. The closer cam assembly according to claim 9, wherein the third inclined surface (222) is adapted to abut the first inclined surface (112) and the fourth inclined surface (223) is adapted to abut the second inclined surface (113).