CN209301533U - The mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair - Google Patents
The mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair Download PDFInfo
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- CN209301533U CN209301533U CN201821934888.6U CN201821934888U CN209301533U CN 209301533 U CN209301533 U CN 209301533U CN 201821934888 U CN201821934888 U CN 201821934888U CN 209301533 U CN209301533 U CN 209301533U
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- handrail
- trunnion
- sitting
- bolt
- connecting rod
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Abstract
The mounting structure of handrail in the sitting-lying double-purpose wheelchair that handrail can be made to get a proper arrangement the utility model discloses one kind, include: wheel chair seat frame, backrest and with the one-to-one handrail trunnion of handrail and handrail connecting rod, the lower end of handrail connecting rod is slidably arranged on the wheel chair seat frame, the top of handrail connecting rod and the respective end of handrail trunnion are movably hinged, the other end of handrail trunnion is connected with handrail, is movably articulated in the middle part of handrail trunnion described by back；It is provided with bolt-type handrail latch fitting on the handrail trunnion, the pin hole matched with the bolt-type handrail latch fitting is offered in the handrail connecting rod.Using the sitting-lying double-purpose wheelchair of this mounting structure, handrail can be properly disposed in its expansion, so that it will not influence the normal work of nursing staff.
Description
Technical field
The utility model relates to arrive a kind of sitting-lying double-purpose wheelchair, and in particular to the peace of handrail into a kind of sitting-lying double-purpose wheelchair
Assembling structure.
Background technique
Currently, the sitting-lying double-purpose wheelchair being mounted in hospital bed, handrail is usually to be directly anchored to by back.In reality
In the use process of border, when sitting-lying double-purpose wheelchair is in the laid-flat status of expansion, it may be assumed that when a part as hospital bed, due to helping
Hand cannot be made proper arrangements, to influence whether that nursing staff works to the normal care of patient.
Utility model content
The technical problem to be solved by the utility model is to provide the sitting-lying double-purposes that one kind can make handrail get a proper arrangement
The mounting structure of handrail in wheelchair.
In order to solve the above technical problems, the technical solution adopted by the utility model is: handrail in a kind of sitting-lying double-purpose wheelchair
Mounting structure, comprising: wheel chair seat frame, backrest and with the one-to-one handrail trunnion of handrail and handrail connecting rod, handrail connect
The lower end of extension bar is slidably arranged on the wheel chair seat frame, the top of handrail connecting rod and the respective end moveable hinge of handrail trunnion
It is connected together, the other end of handrail trunnion is connected with handrail, is movably articulated in the middle part of handrail trunnion described by back；It is described
Handrail trunnion on be provided with bolt-type handrail latch fitting, offered in the handrail connecting rod and the bolt-type armrest lock
The pin hole that part matches.
As a preferred embodiment, in the sitting-lying double-purpose wheelchair in the mounting structure of handrail, the bolt-type
The specific structure of handrail latch fitting includes: pull ring, bolt and socket, and the rear portion of bolt is the spring mounting post thinner than bolt, bullet
The end of spring mounting post offers the pull ring hole for extending transversely through spring mounting post, is arranged with reset spring in spring mounting post, inserts
The installation cavity matched with bolt is inwardly offered on one end end face towards handrail trunnion of key seat, is opened on the bottom wall of installation cavity
Equipped with the via hole matched with the spring mounting post, it is arranged in the installation cavity of bolt insertion socket of reset spring, bullet
The end of spring mounting post is threaded through spring installation column end after being pierced by the via hole on the bottom wall of installation cavity, by the pull ring
Pull ring hole in so that pull ring is resisted against on socket.
As a preferred embodiment, in the sitting-lying double-purpose wheelchair in the mounting structure of handrail, the socket
Bottom be provided with pull ring placement cylinder, offer two pairs of depth differences on pull ring placement cylinder, the pull ring that is centrosymmetrically arranged is put
Set slot.
As a preferred embodiment, in the sitting-lying double-purpose wheelchair in the mounting structure of handrail, the handrail connects
Extension bar is movably hinged by lower connection pin shaft with the wheel chair seat frame, and the lower end of handrail connecting rod is connected along handrail
The glide direction of bar offers sliding long hole, and lower connection pin shaft activity is threaded through in sliding long hole, the top of lower tie point pin shaft
It is provided with lower tie point anti-avulsion mechanism.
As a preferred embodiment, in the sitting-lying double-purpose wheelchair in the mounting structure of handrail, the handrail branch
Ear is movably hinged by upper tie point pin shaft with handrail connecting rod；Tie point is provided at the top of upper tie point pin shaft
Anti-avulsion mechanism.
As a preferred embodiment, in a kind of sitting-lying double-purpose wheelchair in the mounting structure of handrail, described is helped
Hand trunnion is hinged by trunnion pin shaft and movable backrest；Trunnion anti-avulsion mechanism is provided at the top of trunnion pin shaft.
As a preferred embodiment, in a kind of sitting-lying double-purpose wheelchair in the mounting structure of handrail, it is described it is upper,
Lower tie point anti-avulsion mechanism and trunnion anti-avulsion mechanism structure having the same, comprising: be provided with upper and lower tie point pin shaft and bearing
Screw thread at the top of pin shaft, the anti-avulsion nut matched with the screw thread at the top of upper and lower tie point pin shaft and supporting shaft, anti-avulsion are used
Nut is separately positioned on upper and lower tie point pin shaft and supporting shaft.
The beneficial effects of the utility model are: the sitting-lying double-purpose wheelchair of this mounting structure is used, it can in its expansion
Properly to dispose handrail, so that it will not influence the normal work of nursing staff.Further, since being arranged in the bottom of socket
Pull ring disposes cylinder, offers two pairs of depth differences on pull ring placement cylinder, the pull ring that is centrosymmetrically arranged shelves slot, big generous
Entire bolt-type handrail latch fitting use.
Detailed description of the invention
Fig. 1 is assist grip mounting structure schematic diagram in sitting-lying double-purpose wheelchair described in the utility model.
Fig. 2 is the enlarged structure schematic diagram of part A in Fig. 1.
Fig. 3 is bolt-type handrail latch fitting structural schematic diagram in the unlocked state.
Fig. 4 is the structural schematic diagram that bolt-type handrail latch fitting is in locking-in state.
Fig. 5 is the attachment structure schematic diagram of handrail trunnion, handrail connecting rod and handrail.
Appended drawing reference of the Fig. 1 into Fig. 5 are as follows: 1, wheel chair seat frame, 2, connection rod bearing, 3, handrail connecting rod, 31, sliding length
Hole, 32, upper tie point via hole, 33, pin hole, 4, bolt-type handrail latch fitting, 41, socket, 411, pull ring placement cylinder, 4111,
Pull ring shelves shallow slot, 4112, pull ring shelve deep trouth, 412, installation cavity, 42, bolt, 421, spring mounting post, 4211, pull ring hole,
43, reset spring, 44, pull ring, 5, handrail trunnion, 51, trunnion hinge hole, 52, upper tie point hinge hole, 6, backrest, 8, handrail.
Specific embodiment
Below with reference to Fig. 1 to Fig. 5, the installation of handrail in a kind of sitting-lying double-purpose wheelchair described in the utility model is described in detail
The specific embodiment of structure.
As shown in Figure 1, in a kind of sitting-lying double-purpose wheelchair described in the utility model handrail mounting structure, comprising: wheelchair
Mounting 1, backrest 6 pass through connection with the one-to-one handrail trunnion 5 of handrail 8 and handrail connecting rod 3, the lower end of handrail connecting rod 3
Rod bearing 2 is slidably arranged on the wheel chair seat frame 1, specific set-up mode are as follows: the lower end of handrail connecting rod 3 connects along handrail
The glide direction (its length direction) of extension bar 3 offers sliding long hole 31 -- referring to fig. 2, shown in Fig. 5, the wheel chair seat frame
Connection rod bearing 2 is provided on 1, handrail connecting rod 3, which passes through, (belongs to ability as the lower tie point bolt of lower tie point pin shaft
The conventional techniques in domain, are not shown in the figure) with connect rod bearing 2 and be movably hinged, specific set-up mode are as follows: the connection
Lower tie point via hole is offered on rod bearing 2, lower tie point is movably arranged on the lower tie point via hole of connection rod bearing 2 with bolt
In the sliding long hole 31 of handrail connecting rod 3, the top of lower tie point bolt thread is arranged in nut for anti-avulsion；The handrail
The top of connecting rod 3, which passes through, (belongs to the conventional techniques of this field, in figure not as the upper tie point bolt of upper tie point pin shaft
Show) it is movably hinged with the respective end of handrail trunnion 5, specific set-up mode are as follows: the top of handrail connecting rod 3 offers
Upper tie point via hole 32 is provided with the upper tie point hinge hole matched with upper tie point with bolt on the handrail trunnion 5
52 -- shown in Figure 2, upper tie point is movably arranged in upper tie point via hole 32 and upper tie point hinge hole 52 with bolt,
The top of upper tie point bolt thread is arranged in nut for anti-avulsion；The other end and sitting-lying double-purpose wheelchair of the handrail trunnion 5
Handrail 8 be connected, the middle part of handrail trunnion 5 by trunnion pin shaft be movably articulated in described in backrest 6 on, specific mounting means
Are as follows: it is provided on the backrest 6 trunnion pin shaft (belonging to the conventional techniques of this field, be not shown in the figure), is set on handrail trunnion 5
It is equipped with the trunnion hinge hole 51 matched with trunnion pin shaft, trunnion pin shaft is movably arranged in trunnion hinge hole 51, trunnion pin shaft
Top be provided with screw thread, anti-avulsion is arranged on the screw thread of trunnion pin shaft with nut；Bolt is provided on the handrail trunnion 5
Formula handrail latch fitting, as shown in Figure 2, Figure 3 and Figure 4, the specific structure of the bolt-type handrail latch fitting include: bolt 42 and socket
41, the rear portion of bolt 42 is the spring mounting post 421 thinner than bolt, and the end of spring mounting post 421, which offers, extends transversely through bullet
The pull ring hole 4211 of spring mounting post 421 is arranged with reset spring 43 in spring mounting post 421, offers and insert in socket 41
The installation cavity 412 that pin 42 matches offers the mistake matched with the spring mounting post 421 on the bottom wall of installation cavity 412
Hole, the bolt 42 for being arranged reset spring 43 are inserted into the installation cavity 412 of socket 41, and the end of spring mounting post 421 is from installation
After being pierced by via hole on the bottom wall of chamber 412, pull ring hole 4211, pull ring hole 4211 are offered in the end of spring mounting post 421
In be equipped with pull ring 44, the bottom of socket 41 is provided with pull ring placement cylinder 411, offers two pairs of depths on pull ring placement cylinder 411
The pull ring that degree is different, is centrosymmetrically arranged shelves that i.e. a pair of of pull ring of slot shelves shallow slot 4111 and a pair of pull ring shelves deep trouth
4112, pull ring 44 is resisted against on the pull ring placement cylinder 411 of 41 bottom of socket；It is offered in the handrail connecting rod 3 and institute
The pin hole 33 that bolt 42 matches in the bolt-type handrail latch fitting stated -- it is shown in Figure 5.
The working process of the utility model is as follows: when needing to lock handrail 8, handrail 8 is turned into latched position first, so
Afterwards, it is pulled outwardly to pull ring 44 pull ring 44 is made to leave pull ring and shelves shallow slot 4111, and rotate pull ring 44, so that it is directed at pull ring and shelve
Then deep trouth 4112 unclamps pull ring 44, shelves its setting in deep trouth 4112 in pull ring, at this moment, bolt 42 is just plugged in handrail
In the pin hole 33 of connecting rod -- it is shown in Figure 3.When unlock, pull ring 44 is pulled, bolt 42 is extracted from pin hole 33,
Pull ring 44 is rotated, so that it is fallen in pull ring and shelves in shallow slot 4111 -- referring to shown in Fig. 1 and Fig. 3.
In conclusion the preferred embodiment of only the utility model, is not used to limit the utility model implementation
Range, it is all according to equivalent change made by shape described in the utility model claims range, construction, feature and spirit with repair
Decorations, should all include in the scope of the claims of the utility model.
Claims (7)
1. the mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair, comprising: wheel chair seat frame and backrest, it is characterised in that: described
The mounting structure of handrail in sitting-lying double-purpose wheelchair further include: with the one-to-one handrail trunnion of handrail and handrail connecting rod, handrail
The lower end of connecting rod is slidably arranged on the wheel chair seat frame, the top of handrail connecting rod and the respective end activity of handrail trunnion
Hinged, the other end of handrail trunnion is connected with handrail, is movably articulated in the middle part of handrail trunnion described by back；Institute
It is provided with bolt-type handrail latch fitting on the handrail trunnion stated, is offered in the handrail connecting rod and the bolt-type handrail
The pin hole that latch fitting matches.
2. the mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair according to claim 1, it is characterised in that: the bolt
The specific structure of formula handrail latch fitting includes: pull ring, bolt and socket, and the rear portion of bolt is the spring mounting post thinner than bolt,
The end of spring mounting post offers the pull ring hole for extending transversely through spring mounting post, is arranged with reset spring in spring mounting post,
The installation cavity matched with bolt is inwardly offered on one end end face towards handrail trunnion of socket, on the bottom wall of installation cavity
The via hole matched with the spring mounting post is offered, is arranged in the installation cavity of bolt insertion socket of reset spring,
The end of spring mounting post is threaded through spring installation styletable after being pierced by the via hole on the bottom wall of installation cavity, by the pull ring
In the pull ring hole in portion, so that pull ring is resisted against on socket.
3. the mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair according to claim 2, it is characterised in that: described inserts
The bottom of key seat is provided with pull ring placement cylinder, the drawing for offering two pairs of depth differences on pull ring placement cylinder, being centrosymmetrically arranged
Ring shelves slot.
4. the mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair according to claim 1, it is characterised in that: described helps
Hand connecting rod is movably hinged by lower connection pin shaft and wheel chair seat frame, and the lower end of handrail connecting rod is along handrail connecting rod
Glide direction offer sliding long hole, lower connection pin shaft activity is threaded through in sliding long hole, is set at the top of lower tie point pin shaft
It is equipped with lower tie point anti-avulsion mechanism.
5. the mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair according to claim 1, it is characterised in that: described helps
Hand trunnion is movably hinged by upper tie point pin shaft with handrail connecting rod；The company of being provided at the top of upper tie point pin shaft
Contact anti-avulsion mechanism.
6. the mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair according to claim 1, it is characterised in that: described helps
Hand trunnion is hinged by trunnion pin shaft and movable backrest；Trunnion anti-avulsion mechanism is provided at the top of trunnion pin shaft.
7. the mounting structure of handrail, feature exist in a kind of sitting-lying double-purpose wheelchair according to any one of claim 1 to 6
In: upper and lower tie point anti-avulsion mechanism and trunnion anti-avulsion the mechanism structure having the same, specific structure includes: to open up
Screw thread at the top of upper and lower tie point pin shaft and supporting shaft, with the screw thread phase at the top of upper and lower tie point pin shaft and supporting shaft
The anti-avulsion nut of cooperation, anti-avulsion are separately positioned on upper and lower tie point pin shaft and supporting shaft with nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934888.6U CN209301533U (en) | 2018-11-22 | 2018-11-22 | The mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934888.6U CN209301533U (en) | 2018-11-22 | 2018-11-22 | The mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209301533U true CN209301533U (en) | 2019-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821934888.6U Active CN209301533U (en) | 2018-11-22 | 2018-11-22 | The mounting structure of handrail in a kind of sitting-lying double-purpose wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209301533U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112155912A (en) * | 2020-10-10 | 2021-01-01 | 新乡市中心医院(新乡中原医院管理中心) | Auxiliary monitoring type obstetric bed for obstetrical department |
| CN113878519A (en) * | 2021-10-26 | 2022-01-04 | 安徽江淮汽车集团股份有限公司 | Examine a cardboard stop gear with dual spacing |
-
2018
- 2018-11-22 CN CN201821934888.6U patent/CN209301533U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112155912A (en) * | 2020-10-10 | 2021-01-01 | 新乡市中心医院(新乡中原医院管理中心) | Auxiliary monitoring type obstetric bed for obstetrical department |
| CN113878519A (en) * | 2021-10-26 | 2022-01-04 | 安徽江淮汽车集团股份有限公司 | Examine a cardboard stop gear with dual spacing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |