CN219654520U - Novel door forbidden gear cam - Google Patents
Novel door forbidden gear cam Download PDFInfo
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- CN219654520U CN219654520U CN202320689139.6U CN202320689139U CN219654520U CN 219654520 U CN219654520 U CN 219654520U CN 202320689139 U CN202320689139 U CN 202320689139U CN 219654520 U CN219654520 U CN 219654520U
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- 230000033001 locomotion Effects 0.000 abstract description 8
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Abstract
The utility model relates to the technical field of access cams and discloses a novel door forbidden gear cam which comprises a cam body, wherein the cam body consists of a cam main body, a guide convex surface and a door closing concave surface, the guide convex surface and the door closing concave surface are arranged on the outer surface of the cam main body, a connecting groove is formed in the outer surface of the guide convex surface and the door closing concave surface, a limiting groove positioned on the inner side of the connecting groove is formed in the cam, the connecting groove and the limiting groove are mutually communicated, a limiting mechanism is movably arranged in the connecting groove and the limiting groove, one end of the limiting mechanism extends to the outer part of the cam and is movably connected with a connecting component, and the connecting component is connected with a piston. According to the utility model, the movement of the limiting mechanism 4 can be limited through the connecting groove 2 and the limiting groove 3, so that the limiting mechanism 4 can limit the movement of the connecting shaft 5 along the outer surfaces of the guide convex surface 12 and the door closing concave surface 13 under the cooperation of the positioning ball 43, and the movement track of the connecting shaft 5 is matched with the arc track of the outer surfaces of the guide convex surface 12 and the door closing concave surface 13.
Description
Technical Field
The utility model relates to the technical field of access cams, in particular to a novel door forbidden gear cam.
Background
The door forbidden gear cam can realize the automatic door closing function, so that the cam structure can be installed on a plurality of doors and windows, but the concave surface or convex surface of the existing automatic door closing cam is in contact connection with the piston roller, and the door closing reset spring at the other end of the piston can only apply pushing force to the door leaf through the cam and the cam shaft under the cooperation of the piston and the roller, so that the door forbidden gear cam is only suitable for automatic closing of a door leaf with unidirectional opening, and is not suitable for the door leaf which can pass in both directions, so that improvement is needed.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the present utility model provides a novel door forbidden gear cam.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel door forbidden gear cam comprises a cam body, wherein the cam is composed of a cam main body and a guide convex surface and a door closing concave surface, the guide convex surface and the door closing concave surface are arranged on the outer surface of the cam main body, a connecting groove is formed in the outer surface of the guide convex surface and the door closing concave surface, a limiting groove located on the inner side of the connecting groove is formed in the inner portion of the cam, the connecting groove and the limiting groove are mutually communicated, a limiting mechanism is movably mounted in the connecting groove and the limiting groove, one end of the limiting mechanism extends to the outer portion of the cam, the connecting assembly is movably connected with the outer portion of the cam, and the connecting assembly is connected with a piston.
As a preferred embodiment of the present utility model, the outer surfaces of the guide convex surface and the door closing concave surface are connected to each other, and the outer surfaces of the guide convex surface and the door closing concave surface are smooth.
As a preferable technical scheme of the utility model, the limiting mechanism comprises a limiting slide block movably arranged in the connecting groove, one end of the limiting slide block penetrates through the connecting groove and extends to the outside of the cam and is connected with the connecting component, the other end of the limiting slide block penetrates through the connecting groove and extends to the inside of the limiting groove and is movably sleeved with a connecting rod, two ends of the connecting rod penetrate through the limiting slide block and extend to the inside of the limiting groove and are movably connected with a positioning ball, and the outer surface of the positioning ball is in rolling contact with the inner wall of the limiting groove.
As a preferable technical scheme of the utility model, the connecting assembly consists of a connecting shaft and a clamping mechanism, wherein the connecting shaft is movably sleeved in the limiting slide block, and two ends of the connecting shaft penetrate through the limiting slide block and are connected with the clamping mechanism.
As a preferable technical scheme of the utility model, the clamping mechanism comprises two limiting sleeves fixedly connected to the upper side and the lower side of the limiting slide block, one side, far away from the cam, of the outer surface of each limiting sleeve is provided with a positioning slide groove, each group of limiting sleeves and the inner part of the positioning slide groove are slidably provided with a movable sleeve, and one end of each movable sleeve penetrates through the positioning slide groove and extends to the outer part of the limiting sleeve and is fixedly connected with a clamping plate.
As a preferable technical scheme of the utility model, a screw rod is sleeved in each movable sleeve in a threaded manner, opposite ends of the two screw rods are fixedly connected with the upper end and the lower end of the connecting shaft respectively, opposite ends of the two screw rods extend to the outside of the limiting sleeve and are fixedly connected with a knob, and the thread density of the outer surfaces of the two screw rods is the same and the rotation directions are opposite.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the movement of the limiting mechanism can be limited through the connecting groove and the limiting groove, so that the limiting mechanism can limit the connecting shaft to move along the outer surfaces of the guide convex surface and the door closing concave surface under the cooperation of the positioning ball, the movement track of the connecting shaft is matched with the arc track of the outer surfaces of the guide convex surface and the door closing concave surface, the piston at the end part of the reset spring can move along the arc track of the outer surfaces of the guide convex surface and the door closing concave surface through the connecting shaft, and the cam can be pushed or pulled to drive the door leaf to reset under the rebound or compression restoring force of the spring.
2. According to the utility model, an operator can conveniently rotate any one of the upper knob and the lower knob through the connecting shaft to simultaneously drive the two screw rods to rotate, so that the two movable sleeves and the clamping plate can move oppositely or reversely under the limit of the limiting sleeve and the positioning chute on the movable sleeves, the purpose of clamping the piston can be achieved, and the piston can be ensured to be clamped and fixed at the center position of the side face of the cam.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a cross-sectional view of the front face of the present utility model;
FIG. 4 is a schematic view of a connection assembly according to the present utility model;
fig. 5 is a cross-sectional view of the front of the connection assembly of the present utility model.
In the figure: 1. a cam; 11. a cam body; 12. a guide convex surface; 13. a concave surface of the door is closed; 2. a connecting groove; 3. a limit groove; 4. a limiting mechanism; 41. a limit sliding block; 42. a connecting rod; 43. a positioning ball; 5. a connecting shaft; 51. a limit sleeve; 52. positioning a chute; 53. a movable sleeve; 54. a clamping plate; 55. a screw rod; 56. and (5) a knob.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, the utility model provides a novel door forbidden gear cam, which comprises a cam 1, wherein the cam 1 consists of a cam main body 11, a guide convex surface 12 and a door closing concave surface 13 which are arranged on the outer surface of the cam main body 11, a connecting groove 2 is formed on the outer surfaces of the guide convex surface 12 and the door closing concave surface 13, a limit groove 3 positioned on the inner side of the connecting groove 2 is formed in the cam 1, the connecting groove 2 and the limit groove 3 are mutually communicated, a limit mechanism 4 is movably arranged in the connecting groove 2 and the limit groove 3, one end of the limit mechanism 4 extends to the outer part of the cam 1 and is movably connected with a connecting component, and the connecting component is connected with a piston; the motion of the limiting mechanism 4 can be limited through the connecting groove 2 and the limiting groove 3, and then the limiting mechanism 4 can limit the motion of the connecting shaft 5 along the outer surfaces of the guide convex surface 12 and the door closing concave surface 13 under the cooperation of the positioning ball 43, and the motion track of the connecting shaft 5 is matched with the arc track of the outer surfaces of the guide convex surface 12 and the door closing concave surface 13.
Wherein, the outer surfaces of the guiding convex surface 12 and the door closing concave surface 13 are connected with each other, and the outer surfaces of the guiding convex surface 12 and the door closing concave surface 13 are smooth.
The limiting mechanism 4 comprises a limiting slide block 41 movably arranged in the connecting groove 2, one end of the limiting slide block 41 penetrates through the connecting groove 2 and extends to the outside of the cam 1 and is connected with the connecting component, the other end of the limiting slide block 41 penetrates through the connecting groove 2 and extends to the inside of the limiting groove 3 and is movably sleeved with a connecting rod 42, two ends of the connecting rod 42 penetrate through the limiting slide block 41 and extend to the inside of the limiting groove 3 and are movably connected with a positioning ball 43, and the outer surface of the positioning ball 43 is in rolling contact with the inner wall of the limiting groove 3; the cam 1 can be connected with the piston through the limit sliding block 41 and the connecting rod 42 under the cooperation of the connecting component, and meanwhile, the friction resistance between the limit mechanism 4 and the limit groove 3 can be greatly reduced through the positioning ball 43, so that the piston can be ensured to smoothly push the cam 1 to move.
The connecting assembly consists of a connecting shaft 5 and a clamping mechanism, wherein the connecting shaft 5 is movably sleeved in the limiting slide block 41, and two ends of the connecting shaft 5 penetrate through the limiting slide block 41 and are connected with the clamping mechanism; the connecting shaft 5 is convenient for an operator to rotate any one of the upper knob 56 and the lower knob 56 to simultaneously drive the two screw rods 55 to rotate.
Wherein, fixture is including two stop collar 51 of fixed connection in limit slider 41 upper and lower both sides, and a location spout 52 has all been seted up to one side that cam 1 was kept away from to every stop collar 51 surface, and the inside of every stop collar 51 and location spout 52 is all installed a movable sleeve 53 in a sliding way, and the one end of movable sleeve 53 runs through location spout 52 and extends to the outside of stop collar 51 and fixedly connected with grip block 54.
Wherein, a screw rod 55 is sleeved in the inner part of each movable sleeve 53 in a threaded manner, opposite ends of the two screw rods 55 are fixedly connected with the upper end and the lower end of the connecting shaft 5 respectively, opposite ends of the two screw rods 55 extend to the outside of the limiting sleeve 51 and are fixedly connected with a knob 56, and the thread density of the outer surfaces of the two screw rods 55 is the same and the rotation directions are opposite; under the limitation of the limit sleeve 51 and the positioning chute 52 to the movable sleeve 53, the two movable sleeves 53 and the clamping plate 54 can move oppositely or reversely under the drive of the screw rod 55, so that the purpose of clamping the piston can be achieved, and the piston can be clamped and fixed at the center position of the side face of the cam 1.
The working principle and the using flow of the utility model are as follows:
the cam 1 is integrally arranged at the end part of a door leaf, then the cam 1 is connected with a piston at the end part of a return spring through a connecting component, namely, the end part of the piston moves between two clamping plates 54, then any knob 56 is rotated to drive the movable sleeve 53 and the clamping plates 54 to integrally move under the limit of the positioning chute 52 to the movable sleeve 53 through a screw rod 55, then the two clamping plates 54 can be oppositely moved to clamp the piston under the transmission of the connecting shaft 5, then the cam 1 can be driven to move when the door leaf is opened or closed, the end part of the piston slides along the surfaces of the guide convex surface 12 and the concave surface 13 of the door leaf under the cooperation of the connecting groove 2, the limiting sliding block 41, the limiting groove 3 and the positioning ball 43, and then the cam 1 is driven to move under the elastic force or tensile force recovery action of the return spring through the piston, the connecting component, the connecting groove 2 and the limiting groove 3, and the door leaf can be driven to reset to the door frame from any side of the door frame, and automatic door closing is completed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Novel door forbidden gear cam, including cam (1), its characterized in that: cam (1) comprises cam main part (11) and guide convex surface (12) and door closure concave surface (13) that set up in cam main part (11) surface, spread groove (2) have been seted up to the surface of guide convex surface (12) and door closure concave surface (13), spacing groove (3) that are located spread groove (2) inboard have been seted up to the inside of cam (1), spread groove (2) and spacing groove (3) communicate each other, the inside movable mounting of spread groove (2) and spacing groove (3) has stop gear (4), the outside and the swing joint of one end extension to cam (1) of stop gear (4) have coupling assembling, coupling assembling links to each other with the piston.
2. The novel door forbidden gear cam of claim 1, wherein: the outer surfaces of the guide convex surface (12) and the door closing concave surface (13) are connected with each other, and the outer surfaces of the guide convex surface (12) and the door closing concave surface (13) are smooth.
3. The novel door forbidden gear cam of claim 1, wherein: stop gear (4) including movable mounting in inside spacing slider (41) of spread groove (2), the one end of spacing slider (41) runs through spread groove (2) and extends to the outside of cam (1) and be connected with coupling assembling, the other end of spacing slider (41) runs through spread groove (2) and extends to the inside of spacing groove (3) and the activity has cup jointed connecting rod (42), the both ends of connecting rod (42) run through spacing slider (41) and extend to the inside and swing joint of spacing groove (3) have locating ball (43), the surface of locating ball (43) and the inner wall rolling contact of spacing groove (3).
4. The novel door forbidden gear cam according to claim 3, wherein: the connecting assembly consists of a connecting shaft (5) and a clamping mechanism, wherein the connecting shaft (5) is movably sleeved in the limiting slide block (41), and two ends of the connecting shaft (5) penetrate through the limiting slide block (41) and are connected with the clamping mechanism.
5. The novel door forbidden gear cam according to claim 4, wherein: the clamping mechanism comprises two limiting sleeves (51) fixedly connected to the upper side and the lower side of a limiting slide block (41), one side, far away from a cam (1), of the outer surface of each limiting sleeve (51) is provided with a positioning slide groove (52), each group of limiting sleeves (51) and the inner parts of the positioning slide grooves (52) are slidably provided with a movable sleeve (53), and one end of each movable sleeve (53) penetrates through the corresponding positioning slide groove (52) and extends to the outer part of each limiting sleeve (51) and is fixedly connected with a clamping plate (54).
6. The novel door forbidden gear cam according to claim 5, wherein: every the inside of movable sleeve (53) all threaded sleeve has cup jointed a lead screw (55), two the opposite ends of lead screw (55) respectively with upper and lower both ends fixed connection of connecting axle (5), two the opposite ends of lead screw (55) all extend to the outside of stop collar (51) and fixedly connected with knob (56), two the screw thread density of lead screw (55) surface is the same and revolve to opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320689139.6U CN219654520U (en) | 2023-03-31 | 2023-03-31 | Novel door forbidden gear cam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320689139.6U CN219654520U (en) | 2023-03-31 | 2023-03-31 | Novel door forbidden gear cam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654520U true CN219654520U (en) | 2023-09-08 |
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ID=87855808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320689139.6U Active CN219654520U (en) | 2023-03-31 | 2023-03-31 | Novel door forbidden gear cam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219654520U (en) |
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2023
- 2023-03-31 CN CN202320689139.6U patent/CN219654520U/en active Active
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