CN210685679U

CN210685679U - Alloy steel base for spring door

Info

Publication number: CN210685679U
Application number: CN201920759576.4U
Authority: CN
Inventors: 沈永跃
Original assignee: Zhejiang Guanghui Metal Material Co Ltd
Current assignee: Zhejiang Guanghui Metal Material Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-06-05
Anticipated expiration: 2029-05-24

Abstract

The utility model belongs to the technical field of the additional spare part of door, especially, relate to an alloy steel base for spring door. The gear adjusting mechanism comprises a base, gear sets which are arranged in the base and meshed with each other, a plurality of adjusting bolts arranged on the base, a gear cavity with an upward opening is arranged in the base, a plurality of rotatable rotating shafts are arranged in the gear cavity, each gear in the gear sets is respectively fixed on one rotating shaft, a torsion spring is arranged on the base, one end of the torsion spring is fixed on the base, the other end of the torsion spring is fixed on the gear or the rotating shaft, and the outer surface of the base is provided with a leveling screw hole for installing the adjusting bolts. Through set up adjusting bolt on the base, realize the upper and lower left and right sides front and back position state of base and adjust, avoid the door installation slope. The arrangement of the plurality of groups of gears and the torsion spring is beneficial to the miniaturization of the structure, and when the torsion spring is replaced, the whole base does not need to be detached, and the corresponding gear can be directly detached. An oil filling port is further arranged on the base, so that lubricating oil can be conveniently filled into the base.

Description

Alloy steel base for spring door

Technical Field

The utility model belongs to the technical field of the additional spare part of door, especially, relate to an alloy steel base for spring door.

Background

The spring door can need not external power source, realizes the effect of automatic closing the door, and public occasions such as general office, teaching building use more, need not artificial manual door of closing. When using a spring door, it is inevitable to install a corresponding base. The base on the existing market is generally large in size, complex in structure and inconvenient to disassemble and maintain.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the utility model provides an alloy steel base for spring door, the on-line screen storage device comprises a base, install the gear train of intermeshing in the base, several adjusting bolt that the base surface set up, set up opening up the gear chamber that is used for holding the gear train in the base, several rotatable pivots of gear intracavity installation, every gear in the gear train respectively fixes in a pivot, install torsion spring on the base, torsion spring's one end is fixed on the base, the other end is fixed on the gear or in the pivot, the surface setting of base is used for installing adjusting bolt's leveling screw. The front, back, left and right sides and the bottom surface of the base are provided with the adjusting bolts for adjusting the front, back, left and right positions and the horizontal state of the base. The plurality of mutually linked rotating shafts are arranged, and the torsion springs are arranged on the rotating shafts, so that the small torsion springs can generate larger elastic force.

Preferably, the gear set comprises a first gear, a second gear, a third gear and a fourth gear, the rotating shaft comprises a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft, the first gear, the second gear, the third gear and the fourth gear are respectively fixed on the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft, and the first gear, the second gear, the third gear and the fourth gear are meshed with each other; the first rotating shaft or the second rotating shaft or the third rotating shaft or the fourth rotating shaft is used as an output shaft, and the output shaft is longer than the other three rotating shafts. Through setting up four intermeshing's gear, realize great moment transmission, help the miniaturized design of drive mechanism and base. Meanwhile, the structure is simple, and the reliability is high.

Preferably, the second gear, the third gear and the fourth gear are sequentially meshed with each other in series, or the third gear and the fourth gear are respectively meshed with the second gear in parallel. Through the optimal design, four gears can be meshed in series once, or two gears are meshed with one gear in parallel respectively, or three gears are meshed in parallel respectively, so that the effect of small size is achieved, and the structure is more compact.

Preferably, the torsion spring comprises a first spring, a second spring, a third spring and a fourth spring, one end of the first spring, one end of the second spring, one end of the third spring and one end of the fourth spring are all fixed on the base, and the other end of the first spring, the other end of the second spring, the other end of the third spring and the other end of the fourth spring are respectively fixed on the first gear, the second gear, the third gear and the fourth gear. The torsion spring is fixed between the gear and the base, and each gear is provided with one torsion spring, so that when the gear rotates, the restoring elastic force can be synchronously generated.

Preferably, the torsion spring comprises a first spring, a second spring, a third spring and a fourth spring, one end of the first spring, one end of the second spring, one end of the third spring and one end of the fourth spring are all fixed on the base, and the other end of the first spring, the other end of the second spring, the other end of the third spring and the other end of the fourth spring are respectively fixed on the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft. Through fixing torque spring's both ends respectively on base and pivot, the installation of the torque spring of being convenient for also can be convenient for maintain simultaneously, when changing the spring, can need not pull down whole base, and then reach the purpose of being convenient for maintain.

Preferably, the first spring, the second spring, the third spring and the fourth spring are located inside the gear cavity or outside the gear cavity.

Preferably, the bottom of the base is provided with a bottom cavity with a downward opening, the bottom cavity is provided with a bottom plate, and the lower cavity is provided with a bottom fixing hole; the rotating shaft penetrates out of the lower cavity, a torsion spring is arranged in the bottom cavity, one end of the torsion spring is fixed on the rotating shaft, and the other end of the torsion spring is fixed on the cavity wall of the lower cavity. Through installing torsion spring in the gear chamber outside, and the gear train is installed at gear chamber inboard, can be convenient for torsion spring's installation and dismantlement like this, also be convenient for the installation and the dismantlement of gear simultaneously, avoid producing the interference between gear and the torsion spring.

Preferably, an upper cover plate used for sealing the gear cavity is arranged on the upper plane of the base, an upper cover fixing hole is formed in the base, a counter bore is correspondingly formed in the upper cover plate, a screw is installed on the upper cover fixing hole through the counter bore, and a shaft hole used for allowing the output shaft to penetrate through is further formed in the upper cover plate. The inboard of upper cover plate sets up sealed the pad, avoids external dust and rainwater to get into the gear intracavity, still can avoid the lubricating oil outflow of gear intracavity.

Preferably, an oil filling hole is formed in the upper cover plate at the gear meshing position, and a sealing bolt is arranged on the oil filling hole. Adopt four intermeshing's gear in this application, the meshing point has threely, respectively sets up an oiling mouth in three meshing point department, sets up the oiling mouth in gear meshing point department, can be abundant for gear filling lubricating oil.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: through set up adjusting bolt on the base, realize the upper and lower left and right sides front and back position state of base and adjust, avoid the door installation slope. The plurality of groups of gears and the torsion springs are arranged, so that the smaller torsion spring can also generate larger elastic force, the structure miniaturization is facilitated, and when the torsion spring is replaced, the whole base does not need to be detached, the corresponding gear can be directly detached, and the torsion spring is replaced. An oil filling port is further arranged on the base, so that lubricating oil can be conveniently filled into the base.

Drawings

FIG. 1 is a perspective view of the alloy steel base according to the present invention.

Fig. 2 is an exploded view of the alloy steel base structure of the present invention.

FIG. 3 is a front view of the alloy steel base structure of the present invention.

Fig. 4 is a view a-a of fig. 3.

Fig. 5 is a perspective view of the base structure of the present invention.

1-a base; 2-upper cover plate; 3-adjusting the bolt; 4-a bottom plate; 11-gear chamber; 12-leveling screw holes; 14-upper cover fixing holes; 16-a fixed groove; 17-fixing the blind hole; 18-bottom fixation holes; 51-a first gear; 52-a second gear; 53-third gear; 54-a fourth gear; 61-a first spring; 62-a second spring; 63-a third spring; 131-a first rotating shaft; 132-a second shaft; 133-a third shaft; 134-a fourth shaft; 151-first bearing; 152-a second bearing; 153-a third bearing; 154-fourth bearing.

Detailed Description

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

If fig. 1, fig. 2, fig. 4, an alloy steel base for spring door, which comprises a base 1, install the gear train of intermeshing in base 1, several adjusting bolt 3 of 1 surface setting of base, set up opening up the gear chamber 11 that is used for holding the gear train in the base 1, install several rotatable pivots in the gear chamber 11, every gear in the gear train respectively fixes in a pivot, install torsion spring on base 1, torsion spring's one end is fixed on base 1, the other end is fixed on the gear or in the pivot, base 1's surface sets up the leveling screw 12 that is used for installing adjusting bolt 3. When the door is used, the base is buried underground, one of the rotating shafts serves as an output shaft, and the door is installed on the output shaft. Adjusting bolts 3 are arranged on the front, the back, the left and the right of the base 1 and used for respectively adjusting the front, the back, the left and the right positions of the base. Three or four adjusting bolts 3 are arranged at the bottom of the base 1 and used for adjusting the horizontal state of the base. Through adjusting bolt 3, can guarantee that base and door-hinge cooperation are accurate. In the door closing state, each torsion spring is in a free extension state or keeps a certain elastic restoring force, so that the spring door is closed in the free state. When the door is opened, the door shaft drives the gear set to rotate, and the torsion spring is screwed at the same time, so that the spring door has the closing restoring force when being opened, but when hands are loosened, the spring door can be automatically closed without being driven by external electric power.

In this embodiment, as shown in fig. 3 and fig. 4, the gear set includes a first gear 51, a second gear 52, a third gear 53, and a fourth gear 54, the rotating shafts include a first rotating shaft 131, a second rotating shaft 132, a third rotating shaft 133, and a fourth rotating shaft 134, the first gear 51, the second gear 52, the third gear 53, and the fourth gear 54 are respectively fixed on the first rotating shaft 131, the second rotating shaft 132, the third rotating shaft 133, and the fourth rotating shaft 134, and the first gear 51, the second gear 52, the third gear 53, and the fourth gear 54 are engaged with each other; the first rotating shaft 131, the second rotating shaft 132, the third rotating shaft 133 or the fourth rotating shaft 134 serves as an output shaft, and the output shaft is longer than the other three rotating shafts. The first bearing 151, the second bearing 152, the third bearing 153 and the fourth bearing 154 are respectively arranged at the root parts of the first rotating shaft 131, the second rotating shaft 132, the third rotating shaft 133 and the fourth rotating shaft 134, and the first rotating shaft 131, the second rotating shaft 132, the third rotating shaft 133 and the fourth rotating shaft 134 are respectively arranged on the base 1 through the first bearing 151, the second bearing 152, the third bearing 153 and the fourth bearing 154, so that the first rotating shaft 131, the second rotating shaft 132, the third rotating shaft 133 and the fourth rotating shaft 134 can freely rotate. One of the first or second or third or fourth rotating

shafts

131, 132, 133, 134 serves as an output shaft for connecting the rotating shafts of the doors.

In this embodiment, as shown in fig. 3, the second gear 52, the third gear 53, and the fourth gear 54 are sequentially engaged with each other in series, or the third gear 53 and the fourth gear 54 are respectively engaged with the second gear 52 in parallel. Set up a plurality of gears and the multiunit torsion spring that corresponds in this application, can share output shaft torsion spring's pressure, can reduce the elasticity requirement of every group spring. The output shaft may be provided at the first bearing 151 or the second bearing 152 or the third bearing 153 or the fourth bearing 154.

In this embodiment, fig. 3 and 4 are shown. The torsion spring comprises a first spring 61, a second spring 62, a third spring 63 and a fourth spring, one end of the first spring 61, one end of the second spring 62, one end of the third spring 63 and one end of the fourth spring are all fixed on the base 1, and the other end of the first spring 61, the other end of the second spring 62, one end of the third spring 63 and the other end of the fourth spring are respectively fixed on the first gear 51, the second gear 52, the third gear 53 and the fourth gear 54. The gear cavity 11 is internally provided with a fixed blind hole 17, one end of the torsion spring is fixed on the base 1 through the fixed blind hole 17, when the torsion spring is installed, the torsion spring is directly sleeved on the periphery of the rotating shaft, and one end of the torsion spring is bent towards the bottom and can be directly inserted into the fixed blind hole 17. The fixing groove 16 is formed in the rotating shaft or the inner ring of the bearing, when the torsion spring is installed, the other end of the torsion spring is bent towards the circle center, and the circle center end of the torsion spring can be directly embedded into the fixing groove 16. When the output shaft is rotated, each gear drives each torsion spring to rotate and twist, so that the torsion springs generate elastic recovery. Through setting up multiunit gear and torsion spring for the output shaft produces great elastic restoring force.

In this embodiment, as shown in fig. 3. The torsion spring comprises a first spring 61, a second spring 62, a third spring 63 and a fourth spring, one end of the first spring 61, one end of the second spring 62, one end of the third spring 63 and one end of the fourth spring are all fixed on the base 1, and the other end of the first spring 61, the other end of the second spring 62, one end of the third spring 63 and the other end of the fourth spring are respectively fixed on the first rotating shaft 131, the second rotating shaft 132, the third rotating shaft 133 and the fourth rotating shaft 134. Through fixing torsion spring's both ends respectively on base 1 and pivot, the installation of torsion spring of being convenient for, when the installation, install torsion spring on the pivot that corresponds earlier, then install the pivot with corresponding gear on, gear accessible axle key installation.

In this embodiment, as shown in fig. 3. The first spring 61, the second spring 62, the third spring 63, and the fourth spring are located inside the gear chamber 11 or outside the gear chamber 11. Correspondingly, a fixing blind hole 17 is formed in the inner bottom surface or the outer bottom surface of the gear cavity 11 and used for fixing one end of the torsion spring; and a fixing groove 16 is correspondingly arranged on the inner side or the outer side of the gear cavity 11 of the rotating shaft and used for clamping the other end of the torsion spring. Thereby achieving the function of connecting the gear and the base 1 through the torsion spring.

In this embodiment, as shown in fig. 5. The bottom of the base 1 is provided with a bottom cavity with a downward opening, the bottom cavity is provided with a bottom plate 4, and a bottom fixing hole 18 is formed in the lower cavity; the rotating shaft penetrates out of the lower cavity, a torsion spring is arranged in the bottom cavity, one end of the torsion spring is fixed on the rotating shaft, and the other end of the torsion spring is fixed on the cavity wall of the lower cavity. And a bottom fixing hole 18 is formed in the bottom cavity, a round hole is formed in the corresponding position of the bottom plate 4, and a screw is installed in the bottom fixing hole 18 through the round hole, so that the bottom plate 4 is fixed. And a fixing blind hole 17 is formed in the cavity wall of the lower cavity and used for inserting and fixing one end of the torsion spring, and a fixing groove 16 is formed in the rotating shaft and used for embedding and fixing the other end of the torsion spring. Through installing torsion spring in the gear chamber 11 outside, and the gear train is installed in gear chamber 11 inboard, can be convenient for torsion spring's installation and dismantlement like this, also be convenient for the installation and the dismantlement of gear simultaneously, avoid producing the interference between gear and the torsion spring.

In this embodiment, as shown in fig. 1. An upper cover plate 2 used for sealing the gear cavity 11 is arranged on the upper plane of the base 1, an upper cover fixing hole 14 is formed in the base 1, a counter bore is correspondingly formed in the upper cover plate 2, a screw is installed on the upper cover fixing hole 14 through the counter bore, and a shaft hole used for an output shaft to penetrate through is further formed in the upper cover plate 2. Set up sealed the pad in the inboard of upper cover plate 2, avoid external dust and rainwater to get into gear chamber 11 in, still can avoid the lubricating oil outflow in the gear chamber 11.

In this embodiment, an oil filling hole is arranged at the gear meshing position on the upper cover plate 2, and a sealing bolt is arranged on the oil filling hole. Adopt four intermeshing's gear in this application, the meshing point has threely, respectively sets up an oiling mouth in three meshing point department, sets up the oiling mouth in gear meshing point department, can be abundant for gear filling lubricating oil.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides an alloy steel base for spring door which characterized in that: including base (1), install the gear train of intermeshing in base (1), several adjusting bolt (3) that base (1) surface set up, set up opening ascending gear chamber (11) that are used for holding the gear train in base (1), install several rotatable pivots in gear chamber (11), every gear in the gear train respectively fixes in a pivot, install torsion spring on base (1), torsion spring's one end is fixed on base (1), the other end is fixed on the gear or is changeed epaxially, the surface setting of base (1) is used for installing leveling screw (12) of adjusting bolt (3).

2. The alloy steel base for spring door as claimed in claim 1, wherein: the gear set comprises a first gear (51), a second gear (52), a third gear (53) and a fourth gear (54), the rotating shafts comprise a first rotating shaft (131), a second rotating shaft (132), a third rotating shaft (133) and a fourth rotating shaft (134), the first gear (51), the second gear (52), the third gear (53) and the fourth gear (54) are respectively fixed on the first rotating shaft (131), the second rotating shaft (132), the third rotating shaft (133) and the fourth rotating shaft (134), and the first gear (51), the second gear (52), the third gear (53) and the fourth gear (54) are meshed with each other; the first rotating shaft (131), the second rotating shaft (132), the third rotating shaft (133) or the fourth rotating shaft (134) is used as an output shaft, and the output shaft is longer than the other three rotating shafts.

3. The alloy steel base for spring door as claimed in claim 2, wherein: the second gear (52), the third gear (53) and the fourth gear (54) are sequentially meshed with each other in series, or the third gear (53) and the fourth gear (54) are respectively meshed with the second gear (52) in parallel.

4. A spring door alloy steel base according to claim 1, 2 or 3, wherein: the torsion spring comprises a first spring (61), a second spring (62), a third spring (63) and a fourth spring, one end of each of the first spring (61), the second spring (62), the third spring (63) and the fourth spring is fixed on the base (1), and the other end of each of the first spring (61), the second spring (62), the third spring (63) and the fourth spring is fixed on the first gear (51), the second gear (52), the third gear (53) and the fourth gear (54) respectively.

5. A spring door alloy steel base according to claim 1, 2 or 3, wherein: the torsion spring comprises a first spring (61), a second spring (62), a third spring (63) and a fourth spring, one end of the first spring (61), one end of the second spring (62), one end of the third spring (63) and one end of the fourth spring are all fixed on the base (1), and the other end of the first spring (61), the other end of the second spring (62), the other end of the third spring (63) and the other end of the fourth spring are respectively fixed on the first rotating shaft (131), the second rotating shaft (132), the third rotating shaft (133) and the fourth rotating shaft (134).

6. The alloy steel base for spring door as set forth in claim 5, wherein: the first spring (61), the second spring (62), the third spring (63) and the fourth spring are located inside the gear cavity (11) or outside the gear cavity (11).

7. The alloy steel base for spring door as set forth in claim 6, wherein: the bottom of the base (1) is provided with a bottom cavity with a downward opening, the bottom cavity is provided with a bottom plate (4), and a bottom fixing hole (18) is formed in the lower cavity; the rotating shaft penetrates out of the lower cavity, a torsion spring is arranged in the bottom cavity, one end of the torsion spring is fixed on the rotating shaft, and the other end of the torsion spring is fixed on the cavity wall of the lower cavity.

8. A spring door alloy steel base according to claim 1, 2 or 3, wherein: an upper cover plate (2) used for sealing a gear cavity (11) is arranged on the upper plane of a base (1), an upper cover fixing hole (14) is formed in the base (1), counter bores are correspondingly formed in the upper cover plate (2), screws are installed on the upper cover fixing hole (14) through the counter bores, and a shaft hole used for an output shaft to penetrate through is formed in the upper cover plate (2).

9. The alloy steel base for spring door as set forth in claim 7, wherein: an oil filling hole is formed in the position, where the gear is meshed, of the upper cover plate (2), and a sealing bolt is arranged on the oil filling hole.