CN205697770U - Anti-pinch device and sick bed - Google Patents
Anti-pinch device and sick bed Download PDFInfo
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- CN205697770U CN205697770U CN201620292487.XU CN201620292487U CN205697770U CN 205697770 U CN205697770 U CN 205697770U CN 201620292487 U CN201620292487 U CN 201620292487U CN 205697770 U CN205697770 U CN 205697770U
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- pinch device
- bedstead
- sick bed
- athletic
- spring
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Abstract
An embodiment of the present utility model provides a kind of anti-pinch device and possesses the sick bed of this anti-pinch device, this anti-pinch device is for hiding the non-athletic part of described sick bed and as the gap between the bedstead of motion parts, wherein, including: a protective chain (22), it hides described gap, one end is connected to described bedstead (12), and can slide relative to described non-athletic part along with described bedstead；One movable pulley (26), it is connected to non-athletic part by the spring (28) being made up of nonmagnetic substance；One rigidity rope (24), its one end is connected to the other end of described protective chain, and the other end is walked around described movable pulley and is connected to described non-athletic part.According to embodiment of the present utility model, it is possible to increase equipment service efficiency is difficult to again image quality is produced impact.
Description
Technical field
This utility model relates to the anti-pinch device of a kind of sick bed, particularly relates to a kind of sick bed for MR imaging apparatus
Anti-pinch device and sick bed.
Background technology
The sick bed of common medical sickbed, such as magnetic resonance device has horizontally or vertically two kinds of functions of motion, in order to according to
Diagnosis needs to carry patient and makees elevating movement or horizontal movement.Generally, in order to ensure the fluent motion of sick bed, its bedstead and
Generally certain gap is all left between non-athletic part, during to prevent sick bed generation stress deformation, sick bed and non-athletic portion
Divide and interfere.But, when bed motion, if patient or the hair of operator, finger, clothes etc. enter accidentally
Enter in above-mentioned gap, it is possible to crush even pinch off finger.
Owing to, in bed motion, above-mentioned gap can change, therefore and be not suitable for use hard cover body cover.
Therefore, it is generally directed to the vertical movement of sick bed, the telescopic shell of telescope cartridge type can be used to cover bedstead and as hanging down
The bedstead of straight moving component, but the structure of telescope cartridge type needs good guiding mechanism, otherwise can make a noise even
Sometimes due to mechanical resistance affects the elevating movement of sick bed.Another way arranges polymer liner in gap, but poly-
Compound liner along with the use of armarium, and can gradually wear out and lose protective capability.
Yet another approach is to use roller chain to hide gap.Fig. 3 shows and existing utilizes roller chain to protect sick bed gap
Structure 200, wherein, roller chain 200 includes by the interconnective multiple blocks 210 of rotating shaft, and its one end is connected to as hanging down
The bedstead 110 of straight moving component, the other end is walked around guide bracket 120 and is connected to spring 230 via rigidity rope 220
One end, and then the other end of spring 230 is fixed on the non-athletic part such as pedestal 130 of sick bed.When sick bed 100 is downward
During motion, the tensile elongation of spring 230 is elongated (as shown in Figure 3A), otherwise, when sick bed 100 moves upward, bullet
The tensile elongation of spring 230 shortens or recovers to initial condition (as shown in Figure 3 B).But, inventor herein notes
Meaning arrives, and for magnetic resonance system, spring 230 uses the magnetic material imaging likely to MR imaging apparatus to make
Becoming impact, and manufacture according to nonmagnetic material, the spring elongation of existing apparatus is long, the working life meeting of spring
Being affected, once spring follows the string power, and anti-pinch device will lose effect, and changing anti-pinch device needs to spend more
Time, the service efficiency of MR imaging apparatus can be caused to be substantially reduced.
Utility model content
In view of this, the utility model proposes one can improve equipment service efficiency be difficult to again to image quality produce shadow
The anti-pinch device rung and the sick bed possessing it.
An embodiment of the present utility model provides a kind of anti-pinch device, and it is used for the sick bed of armarium, this anti-pinch device
In hiding the non-athletic part of described sick bed and as the gap between the bedstead of motion parts, including: a protective chain,
It hides described gap, and one end is connected to described bedstead, and can be sliding relative to described non-athletic part along with described bedstead
Dynamic；One movable pulley, it is connected to non-athletic part by the spring being made up of nonmagnetic substance；One rigidity rope, one
End is connected to the other end of described protective chain, and the other end is walked around described movable pulley and is connected to described non-athletic part.
Additionally, in above-mentioned anti-pinch device, the most also include a guiding mechanism, this guiding mechanism is fixed on described non-athletic
Part, is used for guiding described protective chain.
Additionally, in above-mentioned anti-pinch device, the most described guiding mechanism is arranged at the vertical pillars for keeping described bedstead
Top, and include a prerotation vane and a guide rail.
Additionally, in above-mentioned anti-pinch device, the most described movable pulley is by spring described in being connected to a group of roller bearing two ends even
It is connected to described non-athletic part.
Additionally, in above-mentioned anti-pinch device, the most described armarium is MR imaging apparatus.
Another embodiment of the present utility model provides a kind of sick bed, and it includes above-mentioned anti-pinch device.
According to embodiment of the present utility model, the anti-pinch device that have employed movable pulley can reduce bedstead spring when lifting
Tensile elongation, especially when spring uses nonmagnetic substance to manufacture, extends the service life of spring, is ensureing magnetic
While the service efficiency of resonance image-forming equipment, reduce the impact on image quality.
Accompanying drawing explanation
Preferred embodiment of the present utility model will be described in detail by referring to accompanying drawing below, make those of ordinary skill in the art
Become apparent from above and other feature and advantage of the present utility model, in accompanying drawing:
Fig. 1 is the explanatory diagram of the sick bed of a kind of anti-pinch device that have employed involved by this utility model.
Fig. 2 A is the state diagram when bedstead rises of the anti-pinch device involved by this utility model.
Fig. 2 B is the state diagram when bedstead declines of the anti-pinch device involved by this utility model.
Fig. 3 A is the state diagram when bedstead rises of the existing anti-pinch device.
Fig. 3 B is the state diagram when bedstead declines of the existing anti-pinch device.
Wherein, reference is as follows:
Sick bed 10；
Bedstead 12；
Vertical pillars 14；
Guiding mechanism 15；
Prerotation vane 151；
Guide rail 152
Base portion 16；
Anti-pinch device 20；
Protective chain 22；
Rigidity rope 24；
Movable pulley 26；
Spring 28
Detailed description of the invention
In order to be more clearly understood from technical characteristic of the present utility model, purpose and effect, now comparison accompanying drawing explanation is originally
The detailed description of the invention of utility model.In the various figures, identical or intimate parts are indicated by the same numeral.
In this article, " schematically " expression " serves as example, example or explanation ", should will not be described herein as
Any diagram of " schematically ", embodiment are construed to a kind of preferred or more advantage technical scheme.
For making simplified form, each figure only schematically show the part relevant to this utility model, they not generations
Table its as the practical structures of product.It addition, for making simplified form readily appreciate, have in some figure identical structure or
The parts of function, only symbolically depict one of them, or have only marked one of them.
Fig. 1 illustrates the sick bed 10 of a kind of anti-pinch device 20 that have employed involved by this utility model.As it is shown in figure 1, it is sick
Bed 10 includes the bedstead 12 (can arrange bed board on it, the most not shown) as motion parts, and bedstead 12 is by vertically
Column 14 keeps and can move vertically along the direction of arrow in the figure.It is provided with for drawing on the top of vertical pillars 14
Leading protective chain 22 (seeing Fig. 2) guiding mechanism 15 described later, this guiding mechanism 15 includes prerotation vane 151 and guide rail 152.
Additionally, be provided in the end side of sick bed 10 that the magnet with magnetic resonance system is fixing is connected base portion 16.
In the present embodiment, at least vertical pillars 14 and non-athletic part that base portion 16 is sick bed, but this area skill
Art personnel should be appreciated that the single parts of " non-athletic part " described in the utility model not sick bed, but the consolidating of sick bed
The general name of fixed part.
One end of protective chain 22 is connected on bedstead 12 (with reference to Fig. 2), and protective chain 22 can slide along guide rail 152, from
And hide the gap between the vertical pillars 14 of bedstead 12 and sick bed, when bedstead 12 vertically (sees in Fig. 1
Direction shown in arrow) motion time, protective chain 22 is synchronized with the movement so that above-mentioned gap obtain all the time protective chain 22 covering (tool
Body process explained later).
Referring to Fig. 2, the anti-pinch device 20 of the present embodiment is described in further detail.This anti-pinch device 20 wraps
Include a protective chain 22, rigidity rope 24, movable pulley 26 and spring 28.As it has been described above, one end of protective chain 22 connects
In bedstead 12, and can slide relative to vertical pillars 14 along with bedstead 12.The other end of protective chain 22 walks around guide rail
152 and be connected to one end of rigidity rope 24.And then, the other end of rigidity rope 24 is walked around movable pulley 26 and is fixed on vertical
Column 14.
Additionally, in the present embodiment, movable pulley 26 is fixed on base portion 16 by spring 28.For increasing anti-pinch further
The stability of device and be provided with one group of spring 28 at the two ends of roller bearing, the roller bearing phase of one end of spring 28 and movable pulley 26
Even, the other end is connected in base portion 16.
In the present embodiment, protective chain 22 is manufactured by non-magnetic material, and such as plastics etc., this plastic links is by multiple plastic chain plates
221 are spliced successively, and are arranged on guide rail 152, can slidably reciprocate along guide rail 152.
Additionally, rigidity rope 24 can be applicable various materials, such as steel wire rope, nylon rope etc..
The specific works process of anti-pinch device of the present utility model is described below in conjunction with Fig. 2.As shown in Figure 2 A, the present embodiment
Anti-pinch device 20 be arranged at bedstead 12 both sides of sick bed 10, protective chain 22 hides the gap between non-athletic part,
Play the effect of protection, in order to avoid during bed motion, foreign body enters in gap accidentally.Fig. 2 A shows that bedstead 12 declines
Time state diagram.When bedstead 12 declines, protective chain 22 slides counterclockwise around guide rail 152, drives rigidity rope simultaneously
24 move together, and movable pulley 26 rises, and spring 28 is in extended state.Fig. 2 B shows shape when bedstead 12 rises
State figure.When bedstead 12 rises, under the effect of the elastic force of spring 28, protective chain 22 is clockwise around guide rail 152
Sliding, drive rigidity rope 24 to move together simultaneously, movable pulley 26 declines, and spring 28 is in a state of nature.
Owing to, in the present embodiment, the non-athletic part of sick bed 10 is fixed in one end of rigidity rope 24, and is not secured to make
For the bedstead of motion parts, so the anti-pinch device that have employed movable pulley 26 can reduce the tensile elongation of spring 28, especially
It is when spring 28 uses nonmagnetic substance to manufacture, and extends the service life of spring 28, has ensured nuclear magnetic resonance
The service efficiency of equipment.
Although above mainly in combination with the vertical movement of sick bed, describe the work process of anti-pinch device, but the skill of this area
Art personnel are appreciated that in the horizontal movement structures that this anti-pinch device can also be used for sick bed, equally play prevent different
Thing enters the protective action between bedstead and non-athletic part.
Meanwhile, in a kind of detailed description of the invention of the present utility model, owing to protective chain uses plastics etc. to manufacture, it is to avoid
Driving member is magnetized thus is affected the probability of operating fields.It addition, plastic links of the present utility model is by multiple plastic links
Plate is spliced successively, greatly reduces flexibility, thus improves stability and ruggedness.
It should be noted that can be that any of being suitable to manufactures the non-of spring for manufacturing the nonmagnetic substance of spring 28
Magnetic material.
The foregoing is only the schematic detailed description of the invention of this utility model, be not limited to scope of the present utility model.
Any those skilled in the art, the equivalent variations made on the premise of without departing from design of the present utility model and principle,
Amendment and combination, all should belong to the scope of this utility model protection.
Claims (6)
1. an anti-pinch device, it is for the sick bed of armarium, and this anti-pinch device is for hiding the non-athletic of described sick bed
Part and as the gap between the bedstead of motion parts, it is characterised in that including:
One protective chain (22), it hides described gap, and one end is connected to described bedstead (12), and can be along with described
Bedstead slides relative to described non-athletic part；
One movable pulley (26), it is connected to non-athletic part by the spring (28) being made up of nonmagnetic substance；
One rigidity rope (24), its one end is connected to the other end of described protective chain, and the other end walks around described movable pulley and company
It is connected to described non-athletic part.
Anti-pinch device the most according to claim 1, it is characterised in that
Described anti-pinch device also includes a guiding mechanism (15), and this guiding mechanism is fixed on described non-athletic part, is used for
Guide described protective chain.
Anti-pinch device the most according to claim 2, it is characterised in that
Described guiding mechanism (15) is arranged at the top of the vertical pillars (14) for keeping described bedstead, and includes one
Prerotation vane (151) and a guide rail (152).
Anti-pinch device the most according to claim 1, it is characterised in that
Described movable pulley is connected to described non-athletic part by spring described in being connected to a group of roller bearing two ends.
Anti-pinch device the most according to claim 1, it is characterised in that
Described armarium is MR imaging apparatus.
6. a sick bed, it is characterised in that
Including the anti-pinch device according to any one of Claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620292487.XU CN205697770U (en) | 2016-04-07 | 2016-04-07 | Anti-pinch device and sick bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620292487.XU CN205697770U (en) | 2016-04-07 | 2016-04-07 | Anti-pinch device and sick bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205697770U true CN205697770U (en) | 2016-11-23 |
Family
ID=57310243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620292487.XU Active CN205697770U (en) | 2016-04-07 | 2016-04-07 | Anti-pinch device and sick bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205697770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108785876A (en) * | 2017-05-04 | 2018-11-13 | 医科达有限公司 | squeeze protection |
-
2016
- 2016-04-07 CN CN201620292487.XU patent/CN205697770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108785876A (en) * | 2017-05-04 | 2018-11-13 | 医科达有限公司 | squeeze protection |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |