CN209924617U - Transmission device - Google Patents

Abstract

An actuator, comprising: the buffer assembly comprises a supporting mechanism, a driving mechanism arranged in the supporting mechanism and a buffer assembly arranged in the supporting mechanism; the driving mechanism comprises a transmission rod movably connected with the supporting mechanism and a pushing assembly used for driving the transmission rod; the pushing assembly drives the transmission rod to move relative to the supporting mechanism; the transmission rod or the pushing component is provided with a limiting part moving along with the transmission rod; the buffer component limits the movement of the limiting part and reduces the sound generated when the buffer component is contacted with the limiting part through elastic deformation; the buffer component comprises an accommodating cylinder arranged in the supporting mechanism and an elastic column penetrating through the accommodating cylinder; an opening is formed in one side, opposite to the limiting part, of the containing cylinder; through the corresponding arrangement of the buffer assembly and the limiting part of the limiting column on the transmission rod or the pushing assembly, when the transmission rod moves in place, the elastic deformation is utilized, the sound generated by mechanical collision contact is reduced, and therefore noise pollution to users is avoided.

Description

Transmission device

Technical Field

The utility model relates to a door and window accessory technical field especially relates to a driver.

Background

The driver is an accessory with a transmission function and is widely applied to the field of modern buildings. In the modern building field, generally, the driver comprises a connecting rod and a driving part, the driver is arranged in a cavity of a door and window profile, the connecting rod is arranged close to the outer edge of the door and window profile, a handle is arranged on the driving part, and the driving part is rotated through the handle and drives the connecting rod to move linearly, so that the door and window are locked. In order to avoid that the connecting rod or the handle continues to rotate after the transmission is in place, a limiting mechanism is generally arranged in the transmission, and the limiting mechanism is generally used for limiting when the transmission is in place through the abutting or clamping of part parts; however, when the hard material on the limiting mechanism is in collision contact, a loud sound is generated, and noise pollution is caused to a user.

SUMMERY OF THE UTILITY MODEL

In view of this, there is a need for an actuator that avoids loud sounds during stops.

A transmission, comprising: the buffer assembly comprises a supporting mechanism, a driving mechanism arranged in the supporting mechanism and a buffer assembly arranged in the supporting mechanism; the driving mechanism comprises a transmission rod movably connected with the supporting mechanism and a pushing assembly used for driving the transmission rod; the pushing assembly drives the transmission rod to move relative to the supporting mechanism; the transmission rod or the pushing component is provided with a limiting part moving along with the transmission rod; the buffer component limits the movement of the limiting part, and reduces the sound generated when the buffer component is in contact with the limiting part through elastic deformation.

According to the driver, the buffering component and the transmission rod or the limiting part on the pushing component are correspondingly arranged, when the transmission rod moves in place, the elastic deformation is utilized, the sound generated by mechanical collision contact is reduced, and therefore noise pollution to a user is avoided.

In one embodiment, the buffer assembly comprises an accommodating cylinder arranged in the supporting mechanism and an elastic column arranged in the accommodating cylinder in a penetrating way; an opening is formed in one side, opposite to the limiting part, of the containing barrel, and part of the side face of the elastic column protrudes out of the containing barrel through the opening.

In one embodiment, the support mechanism comprises an outer shell component and an inner shell component slidably mounted in the outer shell component; the pushing assembly comprises a gear tooth pivoted in the inner shell assembly and a rack arranged in the supporting mechanism in a sliding manner; the rack is meshed with the gear teeth; the extending direction of the transmission rod is a first direction; at least two limiting parts extend from one side of the transmission rod facing the gear teeth; the limiting parts are distributed along a first direction; a limiting cavity is formed between the limiting parts, and the rack is accommodated in the limiting cavity; the drive link is slidably disposed in the housing assembly.

In one embodiment, the direction perpendicular to the side of the transmission rod is a second direction; the shell component is provided with a first sliding groove extending along a second direction; the inner shell assembly is provided with a directional lug which is accommodated in the first sliding groove; the extension length of the first sliding groove is smaller than the depth of the limiting cavity.

In one embodiment, the inner shell assembly is provided with opposite support holes; the gear teeth comprise rotating shafts arranged in the supporting holes in a penetrating mode and driving gears connected with the rotating shafts; the driving gear is meshed with the rack.

In one embodiment, the inner side of the inner shell assembly is provided with a strip-shaped groove, and the strip-shaped groove extends along a first direction; the outer side of the rack is provided with a convex strip part corresponding to the strip-shaped groove, and the convex strip part is accommodated in the strip-shaped groove.

In one embodiment, the inner shell assembly comprises a first inner shell, and a second inner shell connected to the first inner shell; an accommodating cavity is formed between the first inner shell and the second inner shell; the gear teeth and the rack are accommodated in the accommodating cavity.

In one embodiment, the housing assembly comprises a first housing body and a second housing body connected with the first housing body; a rod groove is formed in the first outer shell and corresponds to the transmission rod, and the transmission rod is arranged in the rod groove in a sliding mode.

In one embodiment, the device further comprises a fixed block; the inner shell assembly is provided with a through hole, and the fixing block penetrates through the through hole.

In one embodiment, the anti-skid device further comprises anti-skid blocks mounted on the inner shell assembly; the anti-slip blocks are arranged corresponding to the through holes.

Drawings

Fig. 1 is a perspective view of a transmission according to a preferred embodiment of the present invention;

FIG. 2 is a perspective view of the transmission shown in FIG. 1 with the housing assembly separated;

FIG. 3 is a perspective view of the transmission shown in FIG. 1 with the second outer housing and the second inner housing separated;

FIG. 4 is an exploded view of the actuator shown in FIG. 1;

fig. 5 is an enlarged view of the actuator shown in fig. 4 at circle a.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 5, a driving device 100 according to a preferred embodiment of the present invention is used for driving a door or window during a locking process. The actuator 100 comprises a supporting mechanism 20, a driving mechanism 30 arranged in the supporting mechanism 20, and a buffer assembly 40 arranged in the supporting mechanism 20; the driving mechanism 30 comprises a transmission rod 33 movably connected with the supporting mechanism 20 and a pushing component for driving the transmission rod 33; the pushing assembly drives the transmission rod 33 to move relative to the supporting mechanism 20; the transmission rod 33 or the pushing component is provided with a limiting part 331 moving along with the transmission rod 33; the buffer member 40 limits the movement of the limiting portion 331, and the buffer member 40 reduces the noise generated when contacting the limiting portion 331 through elastic deformation.

Through the corresponding arrangement of the buffer component 40 and the transmission rod 33 or the limit part 331 on the pushing component, when the transmission rod 33 moves in place by utilizing elastic deformation, the sound generated by mechanical collision contact is reduced, thereby avoiding noise pollution to users.

In one embodiment, the pushing assembly comprises a gear 31 pivoted in the supporting mechanism 20, and a rack 32 arranged in the supporting mechanism 20; the rack 32 is meshed with the gear 31; the extending direction of the transmission rod 33 is a first direction; at least two limiting parts 331 extend from one side of the transmission rod 33 facing the gear 31; the limiting parts 331 are distributed along the first direction; a limiting cavity 332 is formed between the limiting parts 331, and the rack 32 is accommodated in the limiting cavity 332.

Referring to fig. 4 and 5, in one embodiment, to facilitate installation of the buffering assembly 40, the buffering assembly 40 includes a receiving cylinder 41 disposed in the inner housing assembly 22, and an elastic column 42 penetrating the receiving cylinder 41; an opening 411 is arranged on one side of the accommodating cylinder 41 opposite to the limiting part 331, and part of the side surface of the elastic column 42 protrudes out of the accommodating cylinder 41 through the opening 411; preferably, to avoid orientation judgment at the time of assembly, the cross-section of the elastic columns 42 is circular; in other embodiments, the cross section of the elastic column 42 may also take other shapes, such as a rectangle, etc., and the sharp corner portion may protrude out of the opening 411; the elastic column 42 is made of soft material, specifically, rubber can be selected; in other embodiments, the damping member 40 may also be a compression spring (not shown) fixed in the inner housing member 22, one end of the compression spring is fixed on the inner housing member 22, and the other end is movably disposed opposite to the limit portion, so as to reduce the force when colliding and contacting with the limit portion 331 by using the damping elastic force of the compression spring, and also reduce the sound generated by the mechanical collision and contact when the transmission rod 33 moves in place.

Referring to fig. 2, in one embodiment, to facilitate the fitting of the gear 31 to the assembling holes of the sectional materials with different structures or sizes, the supporting mechanism 20 includes an outer shell component 21, and an inner shell component 22 slidably mounted in the outer shell component 21; the gear 31 is pivoted in the inner shell assembly 22, and the rack 32 is slidably arranged in the inner shell assembly 22; a drive link 33 is slidably disposed in the housing assembly 21; specifically, the inner shell assembly 22 drives the gear 31 and the rack 32 to move relative to the outer shell assembly 21 and the transmission rod 33, so that the position of the gear 31 can be adjusted under the condition that the position of the transmission rod 33 relative to the section bars is unchanged, and the gear 31 can accurately correspond to assembly hole positions on the section bars with different sizes.

Referring to fig. 3 and 4, in one embodiment, in order to maintain the transmission relationship among the gear 31, the rack 32 and the transmission rod 33 during the movement of the inner housing assembly 22 relative to the outer housing assembly 21, the direction perpendicular to the side surface of the transmission rod 33 is the second direction; the housing assembly 21 is provided with a first sliding chute 211 extending along the second direction; the inner shell assembly 22 is provided with a directional lug 221, and the directional lug 221 is accommodated in the first sliding groove 211; the extension length of the first sliding chute 211 is less than the depth of the limit cavity 332; the sliding of the inner shell assembly 22 relative to the outer shell assembly 21 can be guided by arranging a plurality of first sliding grooves 211 and a plurality of orientation lugs 221; due to the limitation of the extending length of the first sliding groove 211, before the rack 32 is separated from the limit cavity 332, the movement of the orientation lug 221 is limited by the first sliding groove 211, so that the rack 32 is kept accommodated in the limit cavity 332, and the transmission relationship among the gear 31, the rack 32 and the transmission rod 33 can be maintained.

Referring to fig. 4, in one embodiment, in order to make the roller 31 pivotally connected to the inner shell assembly 22 and capable of following the inner shell assembly 22 and moving relative to the outer shell assembly 21, the inner shell assembly 22 is provided with opposite support holes 222; the gear 31 comprises a rotating shaft 311 arranged in the supporting hole 222 in a penetrating way and a driving gear 312 connected with the rotating shaft 311; drive gear 312 engages rack 32; specifically, the rotating shaft 311 is provided with a mounting groove 313, and the mounting groove 313 is used for mounting a handle. Further, in order to improve the supporting capability of the inner shell assembly 22 for the rotating shaft 311 and provide protection for the rotating shaft 311, the inner shell assembly 22 is provided with a convex ring portion 223 near the supporting hole 222, and after the rotating shaft 311 is inserted into the supporting hole 222, the convex ring portion 223 surrounds the outer side of the rotating shaft 311. In order to prevent the rotating shaft 311 from being affected by the profile during the movement relative to the housing assembly 21, the housing assembly 21 is provided with a second sliding groove 212, and the convex ring part 223 is accommodated in the second sliding groove 212.

In one embodiment, in order to enable the rack 32 to be slidably disposed in the inner shell assembly 22 and to follow the inner shell assembly 22 to move relative to the outer shell assembly 21, the inner side of the inner shell assembly 22 is provided with a strip-shaped groove 224, and the strip-shaped groove 224 extends along a first direction; a convex strip portion 321 corresponding to the strip-shaped groove 224 is arranged on the outer side of the rack 32, and the convex strip portion 321 is accommodated in the strip-shaped groove 224; the rack 32 is limited in the inner shell assembly 22 through the matching of the strip-shaped groove 224 and the convex strip 321, and the rack 32 can slide relative to the inner shell assembly 22 along the first direction; in other embodiments, a side groove (not shown) may be formed on the rack 32, a flange (not shown) may extend in the inner housing assembly 22, and the rack 32 may be slidably disposed in the inner housing assembly 22 by the flange penetrating the side groove, and may follow the inner housing assembly 22 to move relative to the outer housing assembly 21.

Referring to FIG. 4, in one embodiment, to facilitate assembly of driver 100, inner housing assembly 22 includes a first inner housing 225, and a second inner housing 226 coupled to first inner housing 225; a containing cavity is formed between the first inner shell 225 and the second inner shell 226; the gear 31 and the rack 32 are accommodated in the accommodating cavity; specifically, to facilitate the fixed connection of the first inner housing 225 with the second inner housing 226; the first inner housing 225 is provided with a mounting hole 227, and after a screw passes through the mounting hole 227, the screw is matched with a nut or a threaded hole to realize the fixed connection between the first inner housing 225 and the second inner housing 226; specifically, in order to fix the buffer assembly 40 to the inner housing assembly 22, the accommodating cylinder 41 accommodating the same elastic column 42 is disconnected and then connected to the first inner housing 225 and the second inner housing 226, respectively; in other embodiments, the first inner housing 225 and the second inner housing 226 may be integrally provided; alternatively, to simplify the structure of the inner shell assembly 22, the second inner shell 226 may be of a construction that conforms to the first inner shell 225.

In one embodiment, to facilitate the mounting of the inner housing assembly 22 and the transmission rod 33 on the outer housing assembly 21, the outer housing assembly 21 includes a first outer housing 213 and a second outer housing 214 connected to the first outer housing 213; a rod groove 215 is formed in the first outer housing 213, the rod groove 215 is arranged corresponding to the transmission rod 33, and the transmission rod 33 is slidably arranged in the rod groove 215; specifically, the inner shell assembly 22 is accommodated between the first outer shell 213 and the second outer shell 214, and the first sliding groove 211 is respectively disposed on the first outer shell 213 or the second outer shell 214; in other embodiments, the first outer housing 213 and the second outer housing 214 may be integrally provided.

In one embodiment, in order to prevent the inner housing assembly 22 from being deformed or deflected in angle during the docking process when the inner housing assembly 22 is mounted and connected to other mounting components on the door window, the driver 100 further includes a fixing block 50; the inner shell component 22 is provided with a through hole 228 corresponding to the fixing block 50, and the fixing block 50 is arranged in the through hole 228 in a penetrating way; specifically, to limit the direction of the inner shell assembly 22, the cross-sectional profile of the fixing block 50 is polygonal; a locking ring 51 extends from one end of the fixed block 50, a screw hole is formed in the middle of the fixed block 50, and after a screw penetrates through an external mounting component, the screw penetrates through the fixed block 50 from the end, not provided with the locking ring 51, of the fixed block 50, so that the mounting connection of the inner shell assembly 22 and other mounting components on a door and window is realized; further, in order to prevent the housing assembly 21 from being squeezed, the extending length of the fixing block 50 is slightly greater than the thickness of the housing assembly 21, and the housing assembly 21 is provided with a third sliding groove 216, and the fixing block 50 is inserted into the third sliding groove 216.

In one embodiment, to prevent the anchor block 50 from being released from the through hole 228 during movement or before the driver 100 is placed in the profile, the driver 100 further includes a non-slip block 60 mounted on the inner shell assembly 22; the anti-slip blocks 60 are arranged corresponding to the through holes 228; specifically, the anti-slip block 60 is installed between the first inner housing 225 and the second inner housing 226, and partially extends into the through hole 228, since the through hole 228 is disposed corresponding to the fixed block 50 and slightly larger than the outer diameter of the fixed block 50, the fixed block 50 is in an interference fit state in the through hole 228 due to being pressed by the anti-slip block 60, thereby preventing the fixed block 50 from being loosened from the through hole 228; specifically, the anti-slip blocks 60 are made of soft materials.

Specifically, after the handle is installed in the installation groove 313, the handle drives the gear 31 to rotate, because the rack 32 is meshed with the driving gear 312 on the gear 31 and the rack 32 is movably arranged in the support mechanism 20, the rotation of the gear 31 is converted into the linear motion of the transmission rod 33, the buffer component 40 corresponds to the position of the transmission rod 33 when the transmission rod 33 is moved to be locked or unlocked, when the transmission rod 33 is moved to the corresponding position, the limiting part 331 firstly pushes the elastic column 42, the speed of the transmission rod 33 is gradually reduced in the elastic deformation process of the elastic column 42, and the speed of the transmission rod 33 is reduced to zero or a lower value before the limiting part 331 contacts the accommodating barrel 41; since the elastic column 42 is made of a soft material, the sound generated when the stopper 331 comes into contact with the elastic column 42 is not easily perceived.

In this embodiment, through the corresponding setting of spacing portion on buffering subassembly and the transfer line or the pushing assembly, utilize elastic deformation when the transfer line removes to target in place, reduced the sound that the machinery collision contact takes place to avoid causing noise pollution to the user.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A transmission, comprising: the buffer assembly comprises a supporting mechanism, a driving mechanism arranged in the supporting mechanism and a buffer assembly arranged in the supporting mechanism; the driving mechanism comprises a transmission rod movably connected with the supporting mechanism and a pushing assembly used for driving the transmission rod; the pushing assembly drives the transmission rod to move relative to the supporting mechanism; the transmission rod or the pushing component is provided with a limiting part moving along with the transmission rod; the buffer component limits the movement of the limiting part, and reduces the sound generated when the buffer component is in contact with the limiting part through elastic deformation.

2. The driver according to claim 1, wherein the buffer assembly comprises a containing cylinder arranged in the supporting mechanism and an elastic column arranged in the containing cylinder in a penetrating way; an opening is formed in one side, opposite to the limiting part, of the containing barrel, and part of the side face of the elastic column protrudes out of the containing barrel through the opening.

3. The driver according to claim 1, wherein the support mechanism includes an outer housing component, and an inner housing component slidably mounted in the outer housing component; the pushing assembly comprises a gear tooth pivoted in the inner shell assembly and a rack arranged in the supporting mechanism in a sliding manner; the rack is meshed with the gear teeth; the extending direction of the transmission rod is a first direction; at least two limiting parts extend from one side of the transmission rod facing the gear teeth; the limiting parts are distributed along a first direction; a limiting cavity is formed between the limiting parts, and the rack is accommodated in the limiting cavity; the drive link is slidably disposed in the housing assembly.

4. An actuator according to claim 3, wherein the direction perpendicular to the side of the driving rod is a second direction; the shell component is provided with a first sliding groove extending along a second direction; the inner shell assembly is provided with a directional lug which is accommodated in the first sliding groove; the extension length of the first sliding groove is smaller than the depth of the limiting cavity.

5. An actuator according to claim 3, wherein the inner housing assembly is provided with opposed support holes; the gear teeth comprise rotating shafts arranged in the supporting holes in a penetrating mode and driving gears connected with the rotating shafts; the driving gear is meshed with the rack.

6. A driver according to claim 3, characterised in that the inner side of the inner housing component is provided with a strip-shaped groove, which extends in a first direction; the outer side of the rack is provided with a convex strip part corresponding to the strip-shaped groove, and the convex strip part is accommodated in the strip-shaped groove.

7. The driver according to claim 3, wherein said inner housing assembly includes a first inner housing, and a second inner housing connected to said first inner housing; an accommodating cavity is formed between the first inner shell and the second inner shell; the gear teeth and the rack are accommodated in the accommodating cavity.

8. The transmission of claim 3, wherein the housing assembly includes a first outer housing and a second outer housing connected to the first outer housing; a rod groove is formed in the first outer shell and corresponds to the transmission rod, and the transmission rod is arranged in the rod groove in a sliding mode.

9. A driver according to claim 3, further comprising a fixed block; the inner shell assembly is provided with a through hole, and the fixing block penetrates through the through hole.

10. The driver according to claim 9, further comprising a non-slip block mounted on said inner housing assembly; the anti-slip blocks are arranged corresponding to the through holes.

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