CN218480143U - Bidirectional plastic gear seat - Google Patents
Bidirectional plastic gear seat Download PDFInfo
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- CN218480143U CN218480143U CN202222949361.3U CN202222949361U CN218480143U CN 218480143 U CN218480143 U CN 218480143U CN 202222949361 U CN202222949361 U CN 202222949361U CN 218480143 U CN218480143 U CN 218480143U
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Abstract
The utility model relates to a bidirectional plastic gear seat, which is formed by combining and connecting a shell, a power output shaft, a power input shaft and a bevel gear, wherein the gear seat is provided with an output end which is one end of the power output shaft; the gear seat is also provided with two input/output ends, the two input/output ends are coaxial and rotate synchronously and in the same direction, the two input/output ends and the output ends are positioned on the same plane and are symmetrical about the output ends, and the input/output ends are one ends of the power input shafts; the two input/output ends adopt the same connection structure. When the gear seat is used, the gear seat can be arranged at the bed head or the bed tail, and when the two gear seats cannot be matched, only one of the two gear seats needs to be rotated by 180 degrees, and then the gear seat can be normally used.
Description
Technical Field
The utility model relates to medical equipment, concretely relates to two-way plastic gear seat.
Background
The traditional gear seat is generally provided with an input end and an output end, the input end is connected with the handle, the output end is connected with the connecting rod, the nursing bed is divided into two types, namely an A type and a B type, the A type and the B type are respectively arranged at the head of the bed and the tail of the bed, the mounting positions of the gear seats of the two types are fixed, and the gear seats cannot be normally matched if the gear seats are wrongly mounted; and to this equipment of nursing bed, generally all assemble in batches, the demand is earlier distinguished A type and B type gear seat between the equipment, wastes time and energy, even so, the installation mistake also is difficult to avoid, the gear seat is in the delivery in-process, miss-send, the mistake often takes place.
Disclosure of Invention
In order to solve the above problem, the utility model relates to a two-way plastic gear seat.
A bidirectional plastic gear seat is formed by combining and connecting a shell, a power output shaft, a power input shaft, a bevel gear and a gasket, and is provided with an output end, wherein the output end is one end of the power output shaft; the gear seat is also provided with two input/output ends, the two input/output ends are coaxial and rotate synchronously and in the same direction, the two input/output ends and the output ends are positioned on the same plane and are symmetrical about the output ends, and the input/output ends are one ends of the power input shafts;
the two input/output ends adopt the same connection structure.
The two gear seats are in a group and are arranged on the medical bed, and the same input/output ends of the two gear seats are coaxial and opposite; one of the two input/output ends of the gear seat is connected with the handle through a connecting structure, and the other input/output end of the gear seat is connected with the connecting rod through a connecting structure.
The connecting structure comprises a cross structure and an axial groove, wherein a solid knurled pin is inserted into a pin hole formed in the input/output end and connected with the pin hole in an interference fit mode to form the cross structure, the axial groove is provided with a handle or a connecting rod end portion connected with the input/output end, and the cross structure is inserted into the axial groove to connect the input/output end and the handle or the connecting rod.
The number of the power output shafts is one, the number of the power input shafts is one, the power output shafts and the power input shafts are perpendicular to each other, the number of the bevel gears is two, one bevel gear is sleeved on the power output shaft, the other bevel gear is sleeved on the power input shaft, and the two bevel gears are meshed and connected;
the shell comprises a left cover and a right cover, the left cover and the right cover are fastened through a plurality of self-tapping screws, a residual space for accommodating the power output shaft, the power input shaft and the bevel gear is formed between the left cover and the right cover, and the residual space is provided with a stop-close positioning structure capable of limiting or fixing the positions and the sequence of the power output shaft, the power input shaft and the bevel gear.
The shell forms a circular groove for accommodating the end part of the handle or the connecting rod to be inserted at the outer side of the input/output end, and the end part of the handle or the connecting rod is circular and is in clearance fit with the circular groove.
The utility model has the advantages of reasonable design, simple structure, during the use, it both can install at the head of a bed, can install at the tailstock again, and when two gear seats can't match, only need with one of them rotatory 180 back, can normal use.
Drawings
Fig. 1 is a perspective view of a bidirectional plastic gear seat.
Fig. 2 is an exploded view of a bidirectional plastic gear seat.
Fig. 3 is a top view of the bidirectional plastic gear seat.
Fig. 4 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A in fig. 3.
In the drawing, a shell 1, a left cover 1-1, a right cover 1-2, self-tapping screws 1-3, stop positioning structures 1-4, circular grooves 1-5, a power output shaft 2, a power input shaft 3, bevel gears 4 and solid knurled pins 5 are arranged.
Detailed Description
As shown in fig. 1-4, a bidirectional plastic gear holder is formed by combining and connecting a housing 1, a power output shaft 2, a power input shaft 3 and a bevel gear 4, and the gear holder has an output end which is one end of the power output shaft 3; the gear seat is also provided with two input/output ends which are coaxial and rotate synchronously and in the same direction, the two input/output ends and the output ends are positioned on the same plane and are symmetrical about the output ends, and the input/output ends are one end of the power input shaft 3; the two input/output ends adopt the same connection structure.
The two gear seats are in a group and are arranged on the medical bed, and the same input/output ends of the two gear seats are coaxial and opposite; one of the two input/output ends of the gear seat is connected with the handle through a connecting structure, and the other input/output end of the gear seat is connected with the connecting rod through a connecting structure;
the connecting structure comprises a cross structure and an axial groove, wherein a solid knurled pin 5 is inserted into a pin hole formed in the input/output end and is connected with the pin hole in an interference fit manner to form the cross structure, the axial groove is provided with a handle or a connecting rod end part connected with the input/output end, and the cross structure is inserted into the axial groove and is used for connecting the input/output end and the handle or the connecting rod;
the number of the power output shafts 2 is one, the number of the power input shafts 3 is one, the power output shafts 2 and the power input shafts 3 are vertical to each other, the number of the bevel gears 4 is two, one bevel gear is sleeved on the power output shaft 2, the other bevel gear is sleeved on the power input shaft 3, and the two bevel gears 4 are meshed and connected;
the shell 1 comprises a left cover 1-1 and a right cover 1-2, the left cover 1-1 and the right cover 1-2 are fastened through a plurality of self-tapping screws 1-3, a residual space for accommodating the power output shaft 2, the power input shaft 3 and the bevel gear 4 is formed between the left cover 1-1 and the right cover 1-2, and the residual space is provided with a stop-fit positioning structure 1-4 capable of limiting or fixing the positions and the sequence of the power output shaft 2, the power input shaft 3 and the bevel gear 4;
the shell 1 is provided with circular grooves 1-5 for accommodating the insertion of the end parts of the handle or the connecting rod at the outer side of the input/output end, and the end parts of the handle or the connecting rod are circular and are in clearance fit with the circular grooves 1-5.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (5)
1. A bidirectional plastic gear seat is formed by combining and connecting a shell, a power output shaft, a power input shaft and a bevel gear, and is provided with an output end, wherein the output end is one end of the power output shaft; the gear seat is characterized by also comprising two input/output ends, wherein the two input/output ends are coaxial and rotate synchronously and in the same direction;
the two input/output ends adopt the same connection structure.
2. The bidirectional plastic gear holder as claimed in claim 1, wherein the two gear holders are in a set and mounted on the hospital bed with the same input/output terminals thereof being coaxial and opposite; one of the two input/output ends of the gear seat is connected with the handle through a connecting structure, and the other input/output end of the gear seat is connected with the connecting rod through a connecting structure.
3. The bidirectional plastic gear holder as claimed in claim 2, wherein the connecting structure includes a cross structure, an axial groove, and a solid knurled pin inserted into a pin hole formed in the input/output terminal to be connected thereto in an interference fit manner to form the cross structure, the axial groove is provided with a handle or a link end connected to the input/output terminal, and the cross structure is inserted into the axial groove to connect the input/output terminal to the handle or the link.
4. The bidirectional plastic gear holder as claimed in claim 1, wherein there are one power output shaft and one power input shaft, the power output shaft and the power input shaft are perpendicular to each other, and there are two bevel gears, one of which is sleeved on the power output shaft and the other one is sleeved on the power input shaft, and the two bevel gears are engaged with each other;
the shell comprises a left cover and a right cover, the left cover and the right cover are fastened through a plurality of self-tapping screws, a residual space for accommodating the power output shaft, the power input shaft and the bevel gear is formed between the left cover and the right cover, and the residual space is provided with a stop-close positioning structure capable of limiting or fixing the positions and the sequence of the power output shaft, the power input shaft and the bevel gear.
5. The gear holder of claim 2, wherein the housing is formed at an outer side of the input/output terminal with a circular groove for receiving an end of a handle or a link inserted therein, the end of the handle or the link being rounded to be in clearance fit with the circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222949361.3U CN218480143U (en) | 2022-11-07 | 2022-11-07 | Bidirectional plastic gear seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222949361.3U CN218480143U (en) | 2022-11-07 | 2022-11-07 | Bidirectional plastic gear seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218480143U true CN218480143U (en) | 2023-02-14 |
Family
ID=85171090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222949361.3U Active CN218480143U (en) | 2022-11-07 | 2022-11-07 | Bidirectional plastic gear seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218480143U (en) |
-
2022
- 2022-11-07 CN CN202222949361.3U patent/CN218480143U/en active Active
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