CN217631876U - Transmission box fastening structure - Google Patents

Abstract

The utility model relates to a door and window hardware technical field specifically is a transmission box fastening structure, including drain pan and plastic mould, the inside sliding connection of drain pan has expansion plate and No. two expansion plates, and tooth has all been seted up to one end that expansion plate and No. two expansion plates are close, and the inside symmetry of drain pan is provided with the gear, and the gear meshes with the tooth mutually, and the central point of plastic mould puts the department and rotates and be connected with the rotation piece, rotates the piece and includes the axle center, and the surface cover in axle center is equipped with the swing arm. The utility model discloses, through setting up relevant structures such as this drain pan, plastic mould, expansion plate, no. two expansion plates, apron, rotation piece, driving disk, gear, fan-shaped pivot chamber and socket, can guarantee under the condition that whole transmission box normally connects the function, can improve the connection compactness between drain pan, plastic mould and the apron, and then can improve the stability of whole transmission box in the use greatly to can improve the practicality and the result of use of transmission box.

Description

Transmission box fastening structure

Technical Field

The utility model relates to a door and window hardware technical field especially relates to a transmission box fastening structure.

Background

The transmission box is a kind of special connecting piece that is used for on the door and window spare, mainly is responsible for connecting handle and locking lever, but the transmission box that uses on the market is the structure of application single gear mostly, and the condition of taking off the tooth appears very easily in the use, and it is relatively poor to lead to whole transmission box whole adaptability in the use, and stability is low, leads to door and window's use to go wrong very easily, needs to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a transmission box fastening structure.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a transmission box fastening structure, includes drain pan and plastic mould, the inside sliding connection of drain pan has expansion plate and No. two expansion plates, tooth has all been seted up to the one end that expansion plate and No. two expansion plates are close, the inside symmetry of drain pan is provided with the gear, the gear meshes with the tooth mutually, the central point department of putting of plastic mould rotates and is connected with the rotation piece, it includes the axle center to rotate the piece, the surface cover in axle center is equipped with the swing arm, fan-shaped pivot chamber has been seted up in the front of plastic mould, the inside in fan-shaped pivot chamber is provided with the driving plate, the upper end of driving plate is seted up flutedly, the inside at the recess is inlayed in the swing arm, the one end that an expansion plate is close to the tooth has seted up the socket, the inserted sheet is installed to the bottom of driving plate, the inside at the socket is inserted sheet inserted into to the inserted sheet.

In order to guarantee the normal use effect of transmission piece, the utility model discloses the improvement has, the apron is installed to the upper end of drain pan, the central point department of putting of apron has seted up the rectangle and has led to the groove, the inserted sheet is inserted and is established the inside that the groove was led to the rectangle.

In order to improve the installation effect of being connected between expansion plate and No. two expansion plates and the apron, the utility model discloses the improvement has, the keyway has been seted up to the both ends symmetry of apron, the last surface mounting that tooth one end was kept away from to expansion plate and No. two expansion plates has the locking lever buckle, the inner wall sliding connection of locking lever buckle and keyway.

In order to improve the installation effect between apron and the drain pan, the utility model discloses the improvement has, the apron is provided with the installation with the junction symmetry at drain pan both ends and glues the knot, circular post support piece is installed to the inside symmetry of drain pan.

In order to improve the sealed effect of plastic mould self, the utility model discloses the improvement has, the lateral symmetry is provided with the panel around the plastic mould, the fixed slot has all been seted up in the inside of panel and plastic mould through, the inside of fixed slot is inserted and is equipped with the mounting.

In order to improve the connection effect who rotates piece and panel, the utility model discloses the improvement has, the central point of panel puts the department and has all seted up the round hole, the round hole and the size of a dimension looks adaptation that rotates.

In order to control the motion range of expansion plate and No. two expansion plates, the utility model discloses the improvement has, the thickness of circular post support piece, expansion plate, no. two expansion plates and gear is unanimous.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model discloses in, through setting up relevant structures such as this drain pan, plastic mould, expansion plate, no. two expansion plates, apron, rotation piece, driving disk, gear, fan-shaped pivot chamber and socket, can guarantee under the condition that whole transmission box normally connects the function, can improve the connection compactness between drain pan, plastic mould and the apron, and then can improve the stability of whole transmission box in the use greatly to can improve the practicality and the result of use of transmission box.

Drawings

Fig. 1 is a schematic perspective view of a fastening structure of a transmission box according to the present invention;

fig. 2 is a schematic view of a local explosion structure of a fastening structure of a transmission box according to the present invention;

fig. 3 is a schematic view of the overall explosion structure of the fastening structure of the transmission box according to the present invention;

FIG. 4 is an enlarged view of the A position in the fastening structure diagram 3 of the transmission box of the present invention;

FIG. 5 is an enlarged view of a rotating member of the fastening structure of the transmission case according to the present invention;

fig. 6 is the utility model provides a transmission piece enlarger among transmission box fastening structure.

Illustration of the drawings:

1. a bottom case; 2. molding a plastic; 3. a first expansion plate; 4. a second expansion plate; 5. a cover plate; 6. a rotating member; 7. a driving strap; 8. a gear; 9. a sector-shaped rotating shaft cavity; 10. a socket; 11. a panel; 12. a fixing member; 13. installing a glue button; 14. a circular post support; 15. a lock rod is convexly buckled; 601. an axis; 602. swinging arms; 701. a groove; 702. and (4) inserting sheets.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example one

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a transmission box fastening structure, including drain pan 1 and plastic mould 2, the inside sliding connection of drain pan 1 has expansion plate 3 and expansion plate 4 No. two, tooth has all been seted up to the one end that expansion plate 3 and expansion plate 4 are close, the inside symmetry of drain pan 1 is provided with gear 8, gear 8 meshes with tooth mutually, plastic mould 2's central point puts the department and rotates and is connected with a rotation piece 6, it includes axle center 601 to rotate a piece 6, the surface cover of axle center 601 is equipped with swing arm 602, fan-shaped pivot chamber 9 has been seted up in plastic mould 2's front, the inside in fan-shaped pivot chamber 9 is provided with driving plate 7, the upper end of driving plate 7 is seted up fluted 701, swing arm 602 inlays the inside at recess 701, socket 10 has been seted up to the one end that expansion plate 3 is close to tooth, inserted sheet 702 is installed to the bottom of driving plate 7, inserted sheet 702 inserts the inside of establishing socket 10, through setting up this drain pan 1, plastic mould 2, expansion plate 3, no. two expansion plate 4, a apron 5, rotate piece 6, gear 8, relevant structures such as a pivot chamber 9 and socket 10, can guarantee that the transmission box's normal condition, thereby can improve the use stability of the whole transmission box and the stability effect of the improvement under the whole transmission box, thereby can be connected between the use the practicality 2.

Referring to fig. 1-6, a cover plate 5 is installed at the upper end of a bottom shell 1, a rectangular through groove is formed at the central position of the cover plate 5, an insertion piece 702 is inserted into the rectangular through groove, and the purpose of forming the central rectangular through groove is mainly to cooperate with the insertion piece 702 to ensure the normal movement of a driving piece 7, key grooves are symmetrically formed at two ends of the cover plate 5, locking rod convex buckles 15 are installed on the upper surfaces of the first expansion plate 3 and the second expansion plate 4 far away from the teeth, the locking rod convex buckles 15 are slidably connected with the inner walls of the key grooves, and are arranged, the locking rod convex buckles 15 are inserted into the key grooves, so that on one hand, the movement stability of the first expansion plate 3 and the second expansion plate 4 can be ensured, and simultaneously, the installation effect between the cover plate 5 and the first expansion plate 3 and the second expansion plate 4 can be ensured, the connecting parts of the cover plate 5 and the two ends of the bottom shell 1 are symmetrically provided with mounting glue buckles 13, the bottom shell 1 is internally and symmetrically provided with round column supporting pieces 14, the round column supporting pieces 14 can further improve the mounting stability between the bottom shell 1 and the cover plate 5, the front side and the rear side of the plastic rubber mold 2 are symmetrically provided with panels 11, fixing grooves are formed in the panels 11 and the plastic rubber mold 2 in a penetrating manner, fixing pieces 12, the panels 11 and the fixing pieces 12 are inserted in the fixing grooves, the plastic rubber mold 2 can be sealed, the mounting stability of the whole plastic rubber mold 2 structure can be improved, the central position of the panel 11 is provided with a round hole, the round hole is matched with the rotating piece 6 in size, the round hole is matched with the rotating piece 6, the normal mounting of the rotating piece 6 can be further ensured, the thicknesses of the round column supporting pieces 14, the first expansion plate 3, the second expansion plate 4 and the gear 8 are consistent, the tightness of connection of the various parts of bottom shell 1 during assembly can be further improved.

The working principle is as follows: when this transmission box is in the in-service use, when rotating piece 6 and rotating, its swing arm 602 can present sectorial movable track, driving piece 7 is under the linkage of recess 701 and swing arm 602 this moment, can drive expansion plate 3 and move, this moment under the transmission of gear 8 and tooth, expansion plate 4 can move along expansion plate 3's reversal, simultaneously at the in-process of assembly, be provided with two sets of cylindrical support piece in the inside of drain pan 1, guarantee circular post support piece 14 simultaneously, expansion plate 3, the thickness of expansion plate 4 and gear 8 is unanimous, and then carry out the in-process of assembling at drain pan 1, can guarantee that whole drain pan 1 internals closely pastes together, and then can improve the stability of whole transmission box in the use greatly, thereby can improve transmission box's practicality and result of use.

In the above, the present invention is only a preferred embodiment, and is not limited to the present invention in other forms, and any person skilled in the art may use the above-disclosed technical contents to change or modify the equivalent embodiment into equivalent changes to be applied in other fields, but all the persons do not depart from the technical contents of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides a transmission box fastening structure, includes drain pan (1) and plastic mould (2), its characterized in that: the utility model discloses a plastic injection molding machine, including drain pan (1), telescopic plate (3), gear (8) and tooth mesh mutually, the central point department of putting of plastic mould (2) rotates and is connected with rotation piece (6), it includes axle center (601) to rotate piece (6), the surface cover of axle center (601) is equipped with swing arm (602), fan-shaped pivot chamber (9) have been seted up in the front of plastic mould (2), the inside in fan-shaped pivot chamber (9) is provided with driving plate (7), recess (701) are seted up to the upper end of driving plate (7), swing arm (602) are inlayed in the inside of recess (701), socket (10) have been seted up to one end that telescopic plate (3) are close to the tooth, inserted sheet (702) are installed to the bottom of driving plate (7), inserted sheet (702) are inserted in the inside of inserting at socket (10).

2. The drive case fastening structure according to claim 1, characterized in that: the improved structure is characterized in that a cover plate (5) is installed at the upper end of the bottom shell (1), a rectangular through groove is formed in the center of the cover plate (5), and the inserting pieces (702) are inserted into the rectangular through groove.

3. The transmission case fastening structure according to claim 2, wherein: the key groove has been seted up to the both ends symmetry of apron (5), the last surface mounting who keeps away from tooth one end has locking lever convex buckle (15) No. one expansion plate (3) and No. two expansion plates (4), the inner wall sliding connection of locking lever convex buckle (15) and key groove.

4. The transmission case fastening structure according to claim 2, wherein: the plastic packaging box is characterized in that glue buttons (13) are symmetrically arranged at the connecting parts of the cover plate (5) and the two ends of the bottom shell (1), and circular column supporting pieces (14) are symmetrically arranged inside the bottom shell (1).

5. The transmission case fastening structure according to claim 1, characterized in that: the plastic rubber mold is characterized in that panels (11) are symmetrically arranged on the front side and the rear side of the plastic rubber mold (2), fixing grooves are formed in the panels (11) and the plastic rubber mold (2) in a penetrating mode, and fixing pieces (12) are inserted into the fixing grooves.

6. The transmission case fastening structure according to claim 5, wherein: the center position department of panel (11) has all seted up the round hole, the round hole is with the size of a dimension looks adaptation that rotates piece (6).

7. The transmission case fastening structure according to claim 4, wherein: the thicknesses of the circular column supporting piece (14), the first expansion plate (3), the second expansion plate (4) and the gear (8) are consistent.

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