CN203107513U - In-place protection solenoid for hospital bed or nursing bed - Google Patents
In-place protection solenoid for hospital bed or nursing bed Download PDFInfo
- Publication number
- CN203107513U CN203107513U CN 201320041940 CN201320041940U CN203107513U CN 203107513 U CN203107513 U CN 203107513U CN 201320041940 CN201320041940 CN 201320041940 CN 201320041940 U CN201320041940 U CN 201320041940U CN 203107513 U CN203107513 U CN 203107513U
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- ring
- trocar sheath
- slide block
- bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an in-place protection solenoid for a hospital bed or a nursing bed. The in-place protection solenoid comprises a lead screw, an outer sleeve and a transmission sleeve, wherein the transmission sleeve is arranged in the outer sleeve and is in thread fit with the lead screw, the transmission sleeve is sleeved on the lead screw, one end of the outer sleeve is used for being fixedly connected with a bed body, the other end of the outer sleeve is sleeved on the transmission sleeve, and a clutch mechanism for connecting or separating the outer sleeve and the transmission sleeve is arranged between the outer sleeve and the transmission sleeve. By means of the structure, the in-place protection solenoid enables the lead screw to continuously rotate after the outer sleeve moves to the limit position and can be prevented from being blocked or damaged. The in-place protection solenoid is simple in structure, stable in working and long in service life.
Description
Technical field
This utility model relates to medical hospital bed or care and household bed field, and particularly a kind of sick bed or nursing bed are with the protection screwed pipe that puts in place.
Background technology
The rising of operating beds bed board and down maneuver generally reach the sleeve pipe that cooperates with screw mandrel by screw mandrel and finish, and common screw mandrel and sleeve pipe can not be rotated further screw mandrel after bed board rises to peak or drops to minimum point, otherwise can the stuck or damage with screw mandrel.For head it off; have sick bed or nursing bed on the existing market with the protection screwed pipe that puts in place; this protection screwed pipe screw mandrel after bed board rises to peak or drops to minimum point that puts in place can separate with sleeve pipe; make screw mandrel rotate and can not drive the sleeve pipe action, be rotated further screw mandrel this moment and the situation that screw mandrel is stuck or damage also can not occur.But the protection solenoid structure complexity on the existing market, job insecurity, service life is short.For this reason, be necessary the structure of existing protection screwed pipe is improved design.
The utility model content
In order to address the above problem, this utility model provides a kind of sick bed or nursing bed with the protection screwed pipe that puts in place.
The technical scheme that its technical problem that solves this utility model adopts is:
A kind of sick bed or nursing bed are with the protection screwed pipe that puts in place; it is characterized in that comprising screw mandrel, trocar sheath and the inner transmission sleeve pipe that cooperates with wire rod thread that is provided with; described drive sleeve pipe box is located on the screw mandrel; described trocar sheath one end is used for fixedlying connected with the bed body; the other end of trocar sheath is sleeved on the transmission sleeve pipe, and is provided with a clutch that is used for being connected or separating trocar sheath and transmission sleeve pipe between trocar sheath and the transmission sleeve pipe.
Described clutch comprises: be arranged on the chute on the transmission sleeve pipe sidewall, and run through the transmission sleeve pipe; Cooperate with chute and be arranged at first slide block and second slide block in this chute; One is arranged at the spring in the chute, and the two ends of this spring are resisted against respectively on first slide block and second slide block; Be fixed in first locating ring and second locating ring in the trocar sheath, described transmission sleeve pipe is arranged between this first locating ring and second locating ring, be provided with the forward drive mechanism between described first slide block and first locating ring, this forward drive mechanism is in transmission connection first slide block and first locating ring and drive trocar sheath when screw mandrel just changes and stretches, during the screw mandrel counter-rotating, this forward drive mechanism is not in transmission connection with first locating ring; Be provided with reverse drive mechanism between described second slide block and second locating ring, this reverse drive mechanism is in transmission connection second slide block and second locating ring and drive trocar sheath when screw mandrel reverses and shrinks, when screw mandrel was just changeing, this reverse drive mechanism was not in transmission connection with second locating ring; Be fixed in first eseparation ring and second eseparation ring on the screw mandrel, between first eseparation ring and first slide block, be respectively arranged with first separating mechanism and second separating mechanism between second eseparation ring and second slide block, this first separating mechanism and second separating mechanism disconnect forward drive mechanism and reverse drive mechanism respectively after trocar sheath stretches or is contracted to extreme position.
Described forward drive mechanism comprises first shifting block that is arranged on first slide block and first locating slot that cooperates with first shifting block that is arranged on first locating ring, and first shifting block forms a forward ratchet structure after inserting first locating slot.
Described reverse drive mechanism comprises second shifting block that is arranged on second slide block and is arranged on second locating slot that cooperates with second shifting block on second locating ring, and second shifting block inserts formation one reverse ratchet structure behind second locating slot.
Described first separating mechanism comprises and is arranged on first slide block and first projection that cooperates with first eseparation ring, and first eseparation ring cooperates with first projection first shifting block is ejected first locating slot after trocar sheath extends to extreme position.
Described second separating mechanism comprises and is arranged on second slide block and second projection that cooperates with second eseparation ring, and second eseparation ring cooperates with second projection second shifting block is ejected second locating slot after trocar sheath is contracted to extreme position.
Described trocar sheath comprises first sleeve pipe and second sleeve pipe, described first sleeve pipe, one end is used for fixedlying connected with the bed body, the other end is plugged in the end that first locating ring does not arrange first locating slot, the end that described first locating ring is provided with first locating slot is plugged in an end of second sleeve pipe, and described second locating ring is fixed on the second sleeve pipe other end inside.
The described first eseparation ring external diameter is less than the internal diameter of first sleeve pipe.
The described second eseparation ring external diameter is less than the internal diameter of second locating ring.
Described screw mandrel one end is fixedlyed connected with an end of a universal joint, and this universal joint other end is used for being connected with rocking arm.
The beneficial effects of the utility model are: adopt this utility model of said structure to drive the trocar sheath stretching, extension by the forward drive mechanism when the screw mandrel forward rotation, when trocar sheath extends to extreme position, first eseparation ring cooperates with first projection forward drive mechanism is disconnected, make the transmission sleeve pipe follow screw mandrel and rotate that trocar sheath does not move; Drive trocar sheath by the reverse drive structure during screw mandrel backward rotation and shrink, when trocar sheath was contracted to extreme position, second eseparation ring cooperated the disconnection with reverse drive mechanism with second projection, made the transmission sleeve pipe follow screw mandrel and rotate that trocar sheath does not move; Can realize that screw mandrel can continue rotation after trocar sheath moves to extreme position, and can stuck or damage.This utility model is simple in structure, working stability, long service life.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified:
Fig. 1 is decomposing schematic representation one of the present utility model;
Fig. 2 is the sketch map after this utility model removes first sleeve pipe and second sleeve pipe;
Fig. 3 is that sketch map is joined in commentaries on classics of the present utility model;
Fig. 4 is cutaway view of the present utility model;
Fig. 5 is the partial enlarged drawing A of Fig. 1;
Fig. 6 is the partial enlarged drawing B of Fig. 4.
The specific embodiment
With reference to Fig. 1～Fig. 6; this utility model is a kind of sick bed or nursing bed with the protection screwed pipe that puts in place; comprise screw mandrel 1, trocar sheath and the inner transmission sleeve pipe 2 that is provided with screw mandrel 1 threaded engagement; transmission sleeve pipe 2 is set on the screw mandrel 1; trocar sheath one end is used for fixedlying connected with the bed body; the other end of trocar sheath is sleeved on the transmission sleeve pipe 2, and is provided with a clutch that is used for being connected or separating trocar sheath and transmission sleeve pipe 2 between trocar sheath and the transmission sleeve pipe 2.
Clutch comprises: be arranged on the chute 3 on transmission sleeve pipe 2 sidewalls, and run through transmission sleeve pipe 2; Cooperate with chute 3 and be arranged at first slide block 41 and second slide block 42 in this chute 3; One is arranged at the spring 5 in the chute 3, and the two ends of this spring 5 are resisted against respectively on first slide block 41 and second slide block 42; Be fixed in first locating ring 61 and second locating ring 62 in the trocar sheath, transmission sleeve pipe 2 is arranged between this first locating ring 61 and second locating ring 62, be provided with the forward drive mechanism between first slide block 41 and first locating ring 61, this forward drive mechanism is in transmission connection first slide block 41 and first locating ring 61 and drive trocar sheath when screw mandrel 1 is just changeing and stretches, during screw mandrel 1 counter-rotating, this forward drive mechanism is not in transmission connection with first locating ring 61; Be provided with reverse drive mechanism between second slide block 41 and second locating ring 62, this reverse drive mechanism is in transmission connection second slide block 42 and second locating ring 62 when screw mandrel 1 counter-rotating and drives the trocar sheath contraction, when screw mandrel 1 was just changeing, this reverse drive mechanism was not in transmission connection with second locating ring 62; Be fixed in first eseparation ring 71 and second eseparation ring 72 on the screw mandrel 1, between first eseparation ring 71 and first slide block 41, be respectively arranged with first separating mechanism and second separating mechanism between second eseparation ring 72 and second slide block 42, this first separating mechanism and second separating mechanism disconnect forward drive mechanism and reverse drive mechanism respectively after trocar sheath stretches or is contracted to extreme position.
The forward drive mechanism can adopt the following specific embodiment: comprise that first locating slot, 91, the first shifting blocks 81 that cooperate with first shifting block 81 that are arranged on first shifting block 81 on first slide block 41 and are arranged on first locating ring 61 insert first locating slot, 91 back formation, one forward ratchet structure.When screw mandrel 1 is just changeing, the sidewall cooperation that first slide block 41 is parallel with relative transmission sleeve pipe 2 axis on first locating slot 91, drive 61 relative screw mandrel 1 motions of first locating ring, during screw mandrel 1 counter-rotating, first slide block 41 can skid off from the oblique sidewall of first locating slot 91, does not form with first locating ring 61 to be in transmission connection.
Reverse drive mechanism can adopt the following specific embodiment: comprise that second locating slot, 92, the second shifting blocks 82 that cooperate with second shifting block 82 that are arranged on second shifting block 82 on second slide block 42 and are arranged on second locating ring 62 insert second locating slot, 92 back formation, one reverse ratchet structure.During screw mandrel 1 counter-rotating, the sidewall cooperation that second slide block 42 is parallel with relative transmission sleeve pipe 2 axis on second locating slot 92, drive 62 relative screw mandrel 1 motions of second locating ring, during screw mandrel 1 counter-rotating, second slide block 42 can skid off from the oblique sidewall of second locating slot 92, does not form with second locating ring 62 to be in transmission connection
First separating mechanism can adopt the following specific embodiment: comprise being arranged on first slide block 41 and first projection 101 that cooperates with first eseparation ring 71 that first eseparation ring 71 cooperates with first projection 101 first shifting block 81 is ejected first locating slot 91 after trocar sheath extends to extreme position.
Second separating mechanism can adopt the following specific embodiment: comprise being arranged on second slide block 42 and second projection 102 that cooperates with second eseparation ring 72 that second eseparation ring 72 cooperates with second projection 102 second shifting block 82 is ejected second locating slot 92 after trocar sheath is contracted to extreme position.
Adopt this utility model of said structure when screw mandrel 1 forward rotation, to drive the trocar sheath stretching, extension by the forward drive mechanism, when trocar sheath extends to extreme position, first eseparation ring 71 cooperates with first projection 101 the forward drive mechanism is disconnected, make transmission sleeve pipe 2 follow screw mandrel 1 and rotate that trocar sheath does not move; Driving trocar sheath by the reverse drive structure during screw mandrel 1 backward rotation shrinks, when trocar sheath is contracted to extreme position, second eseparation ring 72 cooperates the disconnection with reverse drive mechanism with second projection 102, make transmission sleeve pipe 2 follow screw mandrel 1 and rotate that trocar sheath does not move; Can realize that screw mandrel 1 can continue rotation after trocar sheath moves to extreme position, and can stuck or damage.This utility model is simple in structure, working stability, long service life.
As shown in the figure, trocar sheath can adopt the following specific embodiment: comprise first sleeve pipe 12 and second sleeve pipe 13, first sleeve pipe, 12 1 ends are used for fixedlying connected with the bed body, the other end is plugged in the end that first locating ring 61 does not arrange first locating slot 91, the end that first locating ring 61 is provided with first locating slot 91 is plugged in an end of second sleeve pipe 13, and second locating ring 62 is fixed on second sleeve pipe, 13 other end inside; First eseparation ring, 71 external diameters are less than the internal diameter of first sleeve pipe 12; Second eseparation ring, 72 external diameters are less than the internal diameter of second locating ring 62.
As shown in the figure, screw mandrel 1 one ends are fixedlyed connected with an end of a universal joint 11, and these universal joint 11 other ends are used for being connected with rocking arm.Rocking arm is used for for hand drive screw mandrel 1.
Above-described embodiment is preferred version of the present utility model, and this utility model also can have other embodiments.Those skilled in the art also can make equivalent variations or replacement under the prerequisite of this utility model spirit, the modification that these are equal to or replace all is included in the scope that the application's claim sets.
Claims (10)
1. a sick bed or nursing bed are with the protection screwed pipe that puts in place; it is characterized in that comprising that screw mandrel (1), trocar sheath and inside are provided with the transmission sleeve pipe (2) with screw mandrel (1) threaded engagement; described transmission sleeve pipe (2) is set on the screw mandrel (1); described trocar sheath one end is used for fixedlying connected with the bed body; the other end of trocar sheath is sleeved on the transmission sleeve pipe (2), and is provided with a clutch that is used for being connected or separating trocar sheath and transmission sleeve pipe (2) between trocar sheath and the transmission sleeve pipe (2).
2. a kind of sick bed as claimed in claim 1 or nursing bed is characterized in that described clutch comprises: be arranged on the chute (3) on transmission sleeve pipe (2) sidewall, and run through transmission sleeve pipe (2) with the protection screwed pipe that puts in place; Cooperate with chute (3) and be arranged at first slide block (41) and second slide block (42) in this chute (3); One is arranged at the spring (5) in the chute (3), and the two ends of this spring (5) are resisted against respectively on first slide block (41) and second slide block (42); Be fixed in first locating ring (61) and second locating ring (62) in the trocar sheath, described transmission sleeve pipe (2) is arranged between this first locating ring (61) and second locating ring (62), be provided with the forward drive mechanism between described first slide block (41) and first locating ring (61), this forward drive mechanism screw mandrel (1) when just changeing and first locating ring (61) be in transmission connection and drive trocar sheath and stretch; Be provided with reverse drive mechanism between described second slide block (42) and second locating ring (62), this reverse drive mechanism when screw mandrel (1) reverses and second locating ring (62) be in transmission connection and drive trocar sheath and shrink; Be fixed in first eseparation ring (71) and second eseparation ring (72) on the screw mandrel (1), between first eseparation ring (71) and first slide block (41), be respectively arranged with first separating mechanism and second separating mechanism between second eseparation ring (72) and second slide block (42), this first separating mechanism and second separating mechanism disconnect forward drive mechanism and reverse drive mechanism respectively after trocar sheath stretches or is contracted to extreme position.
3. a kind of sick bed as claimed in claim 2 or nursing bed are with the protection screwed pipe that puts in place; it is characterized in that described forward drive mechanism comprises first shifting block (81) that is arranged on first slide block (41) and is arranged on first locating slot (91) that cooperates with first shifting block (81) on first locating ring (61), first shifting block (81) inserts first locating slot (91) back and forms a forward ratchet structure.
4. a kind of sick bed as claimed in claim 3 or nursing bed are with the protection screwed pipe that puts in place; it is characterized in that described reverse drive mechanism comprises second shifting block (82) that is arranged on second slide block (42) and is arranged on second locating slot (92) that cooperates with second shifting block (82) on second locating ring (62), second shifting block (82) inserts second locating slot (92) back and forms a reverse ratchet structure.
5. a kind of sick bed as claimed in claim 4 or nursing bed are with the protection screwed pipe that puts in place; it is characterized in that described first separating mechanism comprises is arranged at first projection (101) that first slide block (41) is gone up and cooperated with first eseparation ring (71), and first eseparation ring (71) cooperates with first projection (101) first shifting block (81) is ejected first locating slot (91) after trocar sheath extends to extreme position.
6. a kind of sick bed as claimed in claim 5 or nursing bed are with the protection screwed pipe that puts in place; it is characterized in that described second separating mechanism comprises is arranged at second projection (102) that second slide block (42) is gone up and cooperated with second eseparation ring (72), and second eseparation ring (72) cooperates with second projection (102) second shifting block (82) is ejected second locating slot (92) after trocar sheath is contracted to extreme position.
7. a kind of sick bed as claimed in claim 6 or nursing bed are with the protection screwed pipe that puts in place; it is characterized in that described trocar sheath comprises first sleeve pipe (12) and second sleeve pipe (13); described first sleeve pipe (12) one ends are used for fixedlying connected with the bed body; the other end is plugged in the end that first locating ring (61) does not arrange first locating slot (91); the end that described first locating ring (61) is provided with first locating slot (91) is plugged in an end of second sleeve pipe (13), and described second locating ring (62) is fixed on second sleeve pipe (13) other end inside.
8. a kind of sick bed as claimed in claim 7 or nursing bed is characterized in that with the protection screwed pipe that puts in place described first eseparation ring (71) external diameter is less than the internal diameter of first sleeve pipe (12).
9. a kind of sick bed as claimed in claim 8 or nursing bed is characterized in that with the protection screwed pipe that puts in place described second eseparation ring (72) external diameter is less than the internal diameter of second locating ring (62).
10. a kind of sick bed as claimed in claim 1 or nursing bed be with the protection screwed pipe that puts in place, it is characterized in that described screw mandrel (1) one end fixedlys connected with an end of a universal joint (11), and this universal joint (11) other end is used for being connected with rocking arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041940 CN203107513U (en) | 2013-01-25 | 2013-01-25 | In-place protection solenoid for hospital bed or nursing bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041940 CN203107513U (en) | 2013-01-25 | 2013-01-25 | In-place protection solenoid for hospital bed or nursing bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203107513U true CN203107513U (en) | 2013-08-07 |
Family
ID=48887897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320041940 Expired - Lifetime CN203107513U (en) | 2013-01-25 | 2013-01-25 | In-place protection solenoid for hospital bed or nursing bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203107513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986286A (en) * | 2015-02-09 | 2016-10-05 | 李树宝 | Novel electrolytic cell anode cassette fixture and special high temperature resistant greases thereof |
| CN108032928A (en) * | 2018-01-11 | 2018-05-15 | 西华大学 | One kind lifting steering mechanism and agricultural robot mobile platform |
-
2013
- 2013-01-25 CN CN 201320041940 patent/CN203107513U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986286A (en) * | 2015-02-09 | 2016-10-05 | 李树宝 | Novel electrolytic cell anode cassette fixture and special high temperature resistant greases thereof |
| CN105986286B (en) * | 2015-02-09 | 2018-03-16 | 李树宝 | Novel electrolytic bath anode small box fastener and its special high temperature resistant lubricating grease |
| CN108032928A (en) * | 2018-01-11 | 2018-05-15 | 西华大学 | One kind lifting steering mechanism and agricultural robot mobile platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |