CN217812844U

CN217812844U - Transmission box and door and window

Info

Publication number: CN217812844U
Application number: CN202220220305.3U
Authority: CN
Inventors: 张喜强
Original assignee: Beijing Muyi Oriental Technology Co ltd
Current assignee: Beijing Muyi Oriental Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-11-15
Anticipated expiration: 2032-01-26

Abstract

The utility model provides a transmission box and door and window, including transmission box base, drive gear, transmission shaft and drive assembly, be provided with on the transmission box base and hold the chamber, drive gear installs in hold the intracavity, the transmission shaft runs through drive gear and fixes on drive gear, drive assembly with transmission box base sliding connection, drive gear with the meshing of drive assembly drives the transmission assembly slides for the transmission box base, the one end of transmission shaft is the link, the link stretches out outside the transmission box base, is used for being connected with external equipment; the transmission box, the lock body and the handle assembly are connected with the frame body, the handle assembly is in transmission connection with the transmission box, and the transmission box is in transmission connection with the lock body; the transmission box and the door and window have the advantages of reasonable structure, stability, reliability and long service life.

Description

Transmission box and door and window

Technical Field

The utility model belongs to the technical field of the door and window hardware, concretely relates to transmission box and door and window.

Background

The door or the window is a basic component of a modern building, and in order to facilitate the operation of opening or closing the door or the window, a handle is often installed on the door or the window, and then the opening or closing of the door or the window is controlled through the handle. In door and window's use, often can have a plurality of locking points, perhaps the locking point is far away for the distance of handle, can set up a transmission box in door and window this moment, promptly, when operation door and window opened or closed the operation, handle drive transmission box carries out corresponding action, and transmission box final redrive locking point carries out corresponding action. However, the transmission box in the prior art has the problem that the gears are easily worn due to unbalanced stress when in use; specifically, in the patent with the application number of 202121115366.5, the name of the lock transmission box is suitable for being installed on a narrow-side section frame, and the application number of the patent with the application number of 202121789331.X, the name of the lock transmission box is a novel door and window bidirectional transmission box, when the transmission box is used, a movable square shaft needs to be used independently to be in transmission connection between a handle and the transmission box, namely, square shaft holes matched with the square shafts are respectively arranged on the handle and the transmission box, namely, the square shaft is a movable part, further, due to comprehensive factors such as the assembling precision of the door and window and the processing precision of the transmission box and the handle, the force transmitted to the transmission box through the square shafts is often relatively unbalanced, further, the problem that the stress of a rotating part (gear) is unbalanced is easy to occur, further, the rotating part (gear) is easy to wear or eccentric wear is easy to occur, and the transmission resistance of the transmission box is increased, so that the transmission box is easy to damage or the service life is relatively short.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a rational in infrastructure, reliable and stable and long service life's transmission box and door and window.

In order to solve the technical problem, the utility model discloses the technical scheme who uses is:

the utility model provides a transmission box, includes transmission box base, drive gear, transmission shaft and drive assembly, be provided with on the transmission box base and hold the chamber, drive gear installs hold the intracavity, the transmission shaft runs through drive gear is fixed on the drive gear, drive assembly with transmission box base sliding connection, drive gear with the drive assembly meshing drives drive assembly for transmission box base slides, the one end of transmission shaft is the link, the link stretch out in outside the transmission box base for be connected with external equipment.

As a further improvement of the transmission box, two bearing seats are arranged on the base of the transmission box, the two bearing seats are located on two opposite sides of the transmission gear, and the parts of the transmission shaft protruding out of two sides of the transmission gear are respectively in rotary connection with the two bearing seats.

As a further improvement to the transmission case, the bearing block is integrally formed with the transmission case base, and/or

The transmission shaft and the transmission gear are integrally formed.

As a further improvement of the transmission box, the bearing seat is further provided with an opening for mounting the transmission shaft in the radial direction of the transmission shaft, and a sealing plate is further fixed on the transmission box base and seals the opening.

As a further improvement of the transmission box, the transmission assembly comprises a sliding part and a rack, a connecting part is further arranged at the first end and/or the second end of the sliding part, the rack is located between the first end and the second end of the sliding part, the rack is meshed with the transmission gear, and the rack and the sliding part are detachably fixed.

As a further improvement of the transmission case, a slide way is further formed between the sealing plate and the transmission case base, the sliding part penetrates through the slide way, and the sliding part can reciprocate relative to the slide way.

As a further improvement on the transmission box, the sliding part is further provided with a guide groove, a guide block matched with the guide groove is arranged on the transmission box base, the guide block is fixedly connected with the transmission box base, and the guide block is arranged in the guide groove.

As a further improvement of the transmission box, the guide blocks are respectively positioned at one end or two ends of the transmission box base, and the guide blocks are positioned between the connecting part and the rack;

the connecting part and the first end and/or the second end of the sliding part are/is also provided with a bending part, the bending part is opposite to the end surface of the transmission box base, and relative to the length direction of the bending part, the connecting part does not protrude out of the end surface of the bending part.

As a further improvement of the transmission box, the transmission box further comprises an angle piece, one side of the angle piece is fixedly connected with the bending part, the other side of the angle piece is fixedly connected with the sliding part, and the angle piece is opposite to the end part of the transmission box base.

As a further improvement of the transmission box, an accommodating groove is further formed at the tail end of the transmission box base in the length direction, and when the bending part abuts against the transmission box base, the corner piece is arranged in the accommodating groove.

As a further improvement of the transmission box, one end of the transmission shaft is also provided with one of an external spline, a flat key, a semi-circular key, an oblique key or a prism with a polygonal cross section.

The utility model provides a door and window, includes framework, handle, lock body and as above transmission box, lock body and handle subassembly all with the framework is connected, just the handle subassembly with the transmission of transmission box is connected, the transmission box with the lock body transmission is connected.

Compared with the prior art the beneficial effects of the utility model mainly appear: through fixing transmission shaft and drive gear, outside the transmission box base was arranged in to the one end of transmission shaft, and this one end that the transmission box was arranged in to the transmission shaft is as the link (being provided with external splines or internal splines), for using the activity square shaft, improved the transmission precision between transmission box and the handle, thereby effectively reduced drive gear easily appear the unbalanced problem of atress and because the atress is not unbalanced and cause drive gear easy wearing and tearing or the problem of eccentric wear, and then improved reliability and the life that the transmission box used.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic view of the overall structure of the transmission box of the present invention;

FIG. 2 is a schematic view of the rear view of the transmission case according to the present invention;

fig. 3 is an exploded view of the front view of the transmission case according to the present invention.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and can implement the present invention, but the illustrated embodiments are not intended to limit the present invention, and in the embodiments, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and only describe the present invention, but 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 therefore, should not be construed as limiting the present invention in order to facilitate understanding.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like as used herein are for illustrative purposes only.

As shown in fig. 1 to 3, the present embodiment provides a transmission box, which includes a transmission box base 1, a transmission gear 2, a transmission shaft 3 and a transmission assembly 4, wherein the transmission shaft 3 penetrates through and is fixed on the transmission gear 2, or the transmission shaft 3 and the transmission gear 2 are integrally formed; wherein, be formed with bearing frame 11 on the transmission box base 1, transmission shaft 3 rotates with bearing frame 11 to be connected, drive assembly 4 and transmission box base 1 sliding connection, drive gear 2 is connected with the transmission of drive assembly 4, drive gear 2 is used for driving drive assembly 4 and moves for transmission box base 1 promptly, bearing frame 11 is located the both ends department of transmission shaft 3 respectively, bearing frame 11 is used for forming support and fixed to transmission shaft 3, and then makes transmission shaft 3 keep unanimous with driven direction, keeps the balance of transmission shaft 3 simultaneously. Further, the one end of transmission shaft 3 is the link, and the link of transmission shaft 3 stretches out outside transmission box base 1, and the link is used for being connected with external equipment, specifically, is provided with external splines 31 on the link of transmission shaft 3, and then is used for forming the transmission through external splines 31 and external equipment, if the handle is connected, of course, the one end of transmission shaft can also be set to one of parallel key, semicircle key, feather key or the prism that the cross section is the polygon. Furthermore, an opening 12 for installing the transmission shaft 3 is formed in the bearing seat 11 in the radial direction relative to the transmission shaft 3, a sealing plate 14 is further fixed on the transmission box base 1, the sealing plate 14 is used for sealing the opening 12, and after the transmission shaft 3 and the transmission gear 2 are installed on the transmission box base 1, the sealing plate 14 is fixed, so that the transmission shaft 3 can be limited in the bearing seat 11; because the bearing frame 11 is directly arranged on the transmission box base 1 or the bearing frame 11 and the transmission box base 1 are integrally formed, and because the transmission gear 2 is fixed with the transmission shaft 3, the opening 12 is arranged on the bearing frame 11 in the radial direction relative to the transmission shaft 3 or in the radial direction relative to the shaft hole, so that the transmission shaft 3 connected with the transmission gear 2 can be smoothly arranged in the bearing frame 11. Particularly, the transmission shaft and the transmission gear are fixed, one end of the transmission shaft is arranged outside the transmission box base, and the end, outside the transmission box, of the transmission shaft serves as a connecting end (provided with an external spline or an internal spline), so that the transmission precision between the transmission box and the handle is improved compared with the case of using a movable square shaft; further, through set up the bearing frame 11 of connecting transmission shaft 3 both ends simultaneously on transmission box base 1, or bearing frame 11 and transmission box base 1 integrated into one piece, thereby make the precision of connecting the shaft hole of transmission shaft 3 on two bearing frames 11 effectively improve, and then, for the bearing frame 11 of installing respectively, effectively reduced drive gear 2 and easily appeared the unbalanced problem of atress and cause drive gear 2 to appear easy wearing and tearing or the problem of eccentric wear because the atress is not unbalanced, and then improved reliability and the life that the transmission box used.

As shown in fig. 2, in a preferred embodiment, the transmission box base 1 is further provided with an accommodating cavity 13, the accommodating cavity 13 is located between the bearing seats 11, the accommodating cavity 13 is used for accommodating the transmission gear 2, and the accommodating cavity 13 is in a recessed state relative to the transmission box base 1; in particular, the accommodation chamber 13 is provided to enable the transmission gear 2 to be settled in the radial direction relative to the transmission box base 1, so that the overall thickness of the transmission box base 1 can be reduced or the volume of the transmission box can be reduced, that is, the transmission box can be installed in a very narrow door and window profile.

As shown, in the preferred embodiment, the transmission assembly 4 includes a sliding member 41 and a rack 42, and a connecting portion 43 is further disposed on the first end and/or the second end of the sliding member 41, and the connecting portion 43 is used for connecting an external mechanism, such as a lock body; wherein, the rack 42 is located between the first end and the second end of the sliding part 41, the rack 42 is meshed with the transmission gear 2, and the rack 42 is detachably fixed with the sliding part 41; in this embodiment, the sliding member 41 is provided with a groove which is matched with the rack 42, and the rack 42 is placed in the groove, of course, the rack 42 and the sliding member 41 can also be fixed by a bolt; further, the rack 42 is detachable, so that the rack 42 can be conveniently replaced, for example, when the transmission box is used for driving a lock body of a heavy door and window, the motion load of the transmission gear 2 and the rack 42 is often relatively large, at this time, the transmission box can be replaced by the rack 42 and the gear 2 which are relatively wear-resistant and made of steel, and the transmission box can be flexibly adapted to different use environments.

In the preferred embodiment, shown in fig. 3, a slide way 15 is formed between the closing plate 14 and the transmission case base 1, a sliding member 41 passes through the slide way 15, the sliding member 41 can move back and forth relative to the slide way 15, and the closing plate 14 is used for restraining the sliding member 41, i.e. ensuring that the transmission assembly 4 can move along a fixed path or direction relative to the transmission case base 1. Furthermore, the sliding member 41 is further provided with a guide groove 44, the transmission box base 1 is provided with a guide block 16 which is matched with the guide groove 44, the guide block 16 and the transmission box base 1 are integrally formed, the guide block 16 is arranged in the guide groove 44, the guide block 16 is respectively arranged at one end or two ends of the transmission box base 1, the guide block 16 is arranged between the connecting portion 43 and the rack 42, and the guide block 16 and the guide groove 44 are matched with each other to further constrain the movement direction and the path of the transmission assembly 4.

As shown in fig. 1-3, in a preferred embodiment, a bending portion 45 is further disposed between the connecting portion 43 and the first end and/or the second end of the sliding member 41, the bending portion 45 is opposite to the end surface of the transmission box base 1, and the connecting portion 43 does not protrude from the end surface of the bending portion 45 relative to the length direction of the bending portion 45, and the connecting portion 43 can deviate from the axis of the sliding member 41 by disposing the bending portion 45, so that the connecting portion 43 is straight and convenient for forming a connection with an external transmission member, such as a connecting rod; the connecting portion 43 does not protrude from the end surface of the bending portion 45, that is, after the external transmission member is connected to the connecting portion 43, the connecting portion 43 is prevented from contacting with the outside (such as the frame of a door or window) to form friction or increase the motion resistance of the transmission assembly 4. Furthermore, the device also comprises a corner piece 46, one side of the corner piece 46 is integrally formed with the bending part 45, the other side of the corner piece 46 is fixedly connected with the sliding part 41, and the corner piece 46 is opposite to the end part of the transmission box base 1; further, the terminal of the length direction of the transmission box base 1 is provided with an accommodating groove 17, and when the bending part 45 abuts against the transmission box base 1, the corner piece 46 is arranged in the accommodating groove. The corner fitting 46 in this embodiment is triangular, and the corner fitting 46 can improve the stress performance at the bending portion 45, for example, improve the tensile performance of the bending portion 45; the receiving slot 17 is provided to receive the corner element of the transmission case base 1, so as to avoid the generation of a biasing moment caused by the movement of the sliding element 41 relative to the transmission case base 1 due to the inclined force of the corner element 46 when the sliding element 41 moves to the dead point.

This embodiment still provides a door and window, and it includes framework, handle, lock body and as above transmission box, lock body and handle subassembly all are connected with the framework, and the handle subassembly is connected with the transmission of transmission box, and the transmission box is connected with the lock body transmission.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature in direct contact with the first or second feature, or the first and second features may be in indirect contact via intermediate media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A kind of drive box, its characterized in that: including transmission box base, drive gear, transmission shaft and drive assembly, be provided with on the transmission box base and hold the chamber, drive gear installs hold the intracavity, the transmission shaft runs through drive gear and fixes on the drive gear, drive assembly with transmission box base sliding connection, drive gear with the meshing of drive assembly drives drive assembly for transmission box base slides, the one end of transmission shaft is the link, the link stretch out in outside the transmission box base for be connected with external equipment.

2. The drive cassette of claim 1, wherein: the transmission box base is provided with two bearing seats, the two bearing seats are located on two opposite sides of the transmission gear, and the parts of the transmission shaft protruding out of two sides of the transmission gear are respectively in rotary connection with the two bearing seats.

3. The drive cassette of claim 2, wherein: the bearing seat and the transmission box base are integrally formed, and/or

The transmission shaft and the transmission gear are integrally formed.

4. A drive cassette according to claim 3, wherein: the bearing seat is in the radial direction department of transmission shaft still offers the opening that is used for packing into the transmission shaft, still be fixed with the shrouding on the transmission box base, the shrouding seals the opening.

5. A gearbox according to any one of claims 1 to 4, wherein: the transmission assembly comprises a sliding piece and a rack, a connecting part is further arranged at the first end and/or the second end of the sliding piece, the rack is located between the first end and the second end of the sliding piece, the rack is meshed with the transmission gear, and the rack is detachably fixed with the sliding piece.

6. The drive cassette of claim 5, wherein: a slideway is formed between the transmission box base and the closing plate, the sliding piece penetrates through the slideway, and the sliding piece can move back and forth relative to the slideway.

7. The drive cassette of claim 5, wherein: the sliding piece is further provided with a guide groove, a guide block matched with the guide groove is arranged on the transmission box base, the guide block is fixedly connected with the transmission box base, and the guide block is arranged in the guide groove.

8. The drive cassette of claim 7, wherein: the guide blocks are respectively positioned at one end or two ends of the transmission box base, and the guide blocks are positioned between the connecting part and the rack;

9. The drive cassette of claim 8, wherein: the corner piece is further included, one side of the corner piece is fixedly connected with the bending part, the other side of the corner piece is fixedly connected with the sliding piece, and the corner piece is opposite to the end part of the transmission box base.

10. The drive cassette of claim 9, wherein: the tail end of the transmission box base in the length direction is further provided with an accommodating groove, and when the bending part abuts against the transmission box base, the corner piece is arranged in the accommodating groove.

11. The drive cassette of claim 1, wherein: one end of the transmission shaft is also provided with one of an external spline, a flat key, a semicircular key, an inclined key or a prism with a polygonal cross section.

12. A door and window, its characterized in that: the transmission box comprises a frame body, a handle, a lock body and the transmission box as claimed in any one of claims 1 to 11, wherein the transmission box, the lock body and the handle assembly are connected with the frame body, the handle assembly is in transmission connection with the transmission box, and the transmission box is in transmission connection with the lock body.