CN208339725U - A kind of pillow holder and the dental chair using it - Google Patents
A kind of pillow holder and the dental chair using it Download PDFInfo
- Publication number
- CN208339725U CN208339725U CN201720842797.9U CN201720842797U CN208339725U CN 208339725 U CN208339725 U CN 208339725U CN 201720842797 U CN201720842797 U CN 201720842797U CN 208339725 U CN208339725 U CN 208339725U
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- location hole
- articulated section
- pillow holder
- backrest plate
- swing rod
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model belongs to tooth chair technical field more particularly to a kind of pillow holder and the dental chair using it.Pillow holder includes the backrest plate connecting with backrest, with the headrest support of headrest connection, with the swing rod of connection backrest plate and headrest support, the backrest plate and headrest support include articulated section, the both ends of the swing rod are hinged with the articulated section of backrest plate and headrest support respectively, it further includes locking member, the locking member includes mutually matched positioning protrusion and location hole, the location hole is arranged on articulated section, the positioning protrusion is arranged on swing rod, and it is able to enter location hole and forms the positioning of articulated section or skid off the positioning that location hole releases articulated section.The dental chair using above-mentioned pillow holder is additionally provided simultaneously.In the present invention, the cooperation between swing rod, backrest plate and headrest support three and positioning form have the advantages that structure is simple, easily manufactured low with manufacturing cost.
Description
Technical field
The utility model belongs to tooth chair technical field more particularly to a kind of pillow holder and the dental chair using it.
Background technique
The size of dental chair is fixed at present, is manufactured according to the figure of general adult, but dentistry
Patient includes the crowds such as old man, child, woman, that is to say, that there are various figure, patients of short and small stature for dental patient
When using dental chair when receiving treatment, need to be adjusted the position of headrest.
Such as application No. is the Chinese patent applications of CN200520120750.9 to provide a kind of having a double meaning section header of dental chair
Pillow, belongs to dental chair equipment technical field.Referring to Fig.1, a kind of having a double meaning head restraint of dental chair is specifically disclosed, including with
9 ' of backrest plate and head rest body, the head rest body that chair body is flexibly connected are made of 7 ' of pillow shell 8 ' and pillow PU part, ShiShimonoseki
The fixing end of section 2 ' of bracket is fixedly connected with 9 one end ' of backrest plate, is additionally provided with 6 ' of a swing rod, one end articulated section passes through ShiShimonoseki
Saving 3 ' of shaft, with 2 ' of hypozygal bracket articulated section is hinged, the other end articulated section of 6 ' of the swing rod pass through 1 ' of upper joint shaft with it is upper
The articulated section of 4 ' of knuckle support is hinged, upper joint articulated section and hypozygal articulated section it is ipsilateral between be equipped with a locking mechanism, upper pass
The fixing end and 8 ' of pillow shell mating for saving 4 ' of bracket connect.6 both ends ' articulated section of swing rod and its body of rod inner cavity are respectively provided with bullet
11 ' of 10 ' of spring and double end rack is placed in the middle part of the articulated section of 2 ' of 4 ' of upper joint bracket and hypozygal bracket in empty slot, respectively
3 ' of 1 ' of upper joint shaft and hypozygal shaft with end plate is penetrated, 4 articulated section ' of upper joint bracket is separately fixed at by 5 ' of screw
On a side end face of 2 articulated section ' of hypozygal bracket, 2 articulated section ' of 4 articulated section ' of upper joint bracket and hypozygal bracket it is another
Side end is fixed with 12 ' of 13 ' of upper joint gear member and hypozygal gear member respectively.
Although the having a double meaning head restraint of above-mentioned dental chair can be realized the adjustable range for improving headrest, multiple but there are structures
Miscellaneous, the high problem low with production efficiency of manufacturing cost.
In view of the above-mentioned problems, propose one kind be able to solve existing head rest adjusting device it is existing structure is complicated, manufacture at
This high problem low with production efficiency.
Utility model content
(1) technical problems to be solved
For existing technical problem, the utility model provides a kind of pillow holder, is able to solve and deposits in the prior art
In the problem that structure is complicated, manufacturing cost height is low with production efficiency.
Another purpose of the utility model is to propose a kind of dental chair using above-mentioned pillow holder.
(2) technical solution
In order to achieve the above object, the main technical schemes of the utility model use include:
A kind of pillow holder is provided, including the backrest plate being connect with backrest, the headrest support connected with headrest, and connection
The swing rod of backrest plate and headrest support, the backrest plate and headrest support include articulated section, the both ends point of the swing rod
It is not hinged with the articulated section of backrest plate and headrest support, it further include locking member, the locking member includes cooperating
Positioning protrusion and location hole, the location hole is arranged on articulated section, and the positioning protrusion is arranged on swing rod, and can be into
Enter location hole to form the positioning of articulated section or skid off the positioning that location hole releases articulated section.
As a kind of preferred embodiment of above-mentioned pillow holder, the articulated section includes two symmetrically arranged hinged seats, described
The end of swing rod is arranged between two hinged seats；
Multiple equally distributed location holes are provided on one in two hinged seats.
As a kind of preferred embodiment of above-mentioned pillow holder, the locking member further includes button portion, and the positioning protrusion is set
It sets in button portion, and enters or skid off location hole under the drive of button portion.
As a kind of preferred embodiment of above-mentioned pillow holder, restriction slot is provided on the swing rod, the button portion is slidably
Setting be provided with reset spring in limiting slot, and between the inside and limiting slot of button portion；
The both ends of the button portion are provided with positioning protrusion, on the positioning protrusion and backrest plate of button portion one end
Location hole match, the positioning protrusion positioned at the button portion other end is matched with the location hole on headrest support.
As a kind of preferred embodiment of above-mentioned pillow holder, multiple positioning protrusion are provided on the swing rod, at articulated section
Under positioning states, at least it is located at the different positioning holes on same articulated section there are two positioning protrusion.
As a kind of preferred embodiment of above-mentioned pillow holder, trim is provided on the outside of the hinged seat.
As a kind of preferred embodiment of above-mentioned pillow holder, the backrest plate and headrest support are by kirsite integrally casting
Molding.
As a kind of preferred embodiment of above-mentioned pillow holder, the aperture of the location hole is 3.5-4mm.
Further include fixing seat as a kind of preferred embodiment of above-mentioned pillow holder, through slot is provided in the fixing seat, it is described
Backrest plate is plugged in through slot；
The two sides of the upper and lower surfaces of the backrest plugboard are inclined face.
A kind of dental chair, including headrest and backrest, further include pillow holder as described above, the backrest of the pillow holder
Plate is connect with movable backrest, and the headrest support is fixedly connected with headrest.
(3) beneficial effect
The beneficial effects of the utility model are: in the present invention, the both ends of swing rod and backrest plate and headrest support
Hingedly, the adjustment of three position may be implemented, and then the adjusting of headrest positions may be implemented, locking member using positioning protrusion and
The fit form of location hole, and location hole is entered by positioning protrusion, backrest plate, headrest support and swing rod may be implemented at it
Positioning on turned position the particularly important is the cooperation between swing rod, backrest plate and headrest support three and positioning form
Have the advantages that structure is simple, easily manufactured low with manufacturing cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pillow holder in the prior art；
Fig. 2 is the structural schematic diagram for the pillow holder without trim that the specific embodiment of the invention provides；
Fig. 3 is the cross-sectional view of Fig. 2 " A-A to "；
Fig. 4 is the structural schematic diagram for the pillow holder with trim that the specific embodiment of the invention provides；
Fig. 5 is the structural schematic diagram for the backrest plate that the specific embodiment of the invention provides；
Fig. 6 is the structural schematic diagram for the headrest support that the specific embodiment of the invention provides；
Fig. 7 is the main view for the swing rod that the specific embodiment of the invention provides；
Fig. 8 is the top view for the swing rod that the specific embodiment of the invention provides.
[description of symbols]
1: backrest plate；2: headrest support；3: swing rod；4: articulated section；5: positioning protrusion；6: location hole；7: hinged seat；8:
Shaft hole；9: pin shaft；10: button portion；11: trim；
1 ': upper joint shaft；2 ': hypozygal bracket；3 ': hypozygal shaft；4 ': upper joint bracket；5 ': screw；6 ': pendulum
Bar；7 ': PU parts；8 ': pillow shell；9 ': backrest plate；10 ': spring；11 ': double end rack；12 ': hypozygal gear member；
13 ': upper joint gear member.
Specific embodiment
It is with reference to the accompanying drawing, right by specific embodiment in order to understand in order to preferably explain the utility model
The utility model is described in detail.
As shown in Fig. 2 to Fig. 8, in the present embodiment, a kind of pillow holder is provided, pillow holder includes connecting with backrest
Backrest plate 1, the headrest support 2 with headrest connection, and the swing rod 3 of connection backrest plate 1 and headrest support 2,1 He of backrest plate
Headrest support 2 includes articulated section 4, and the both ends of swing rod 3 are hinged with the articulated section 4 of backrest plate 1 and headrest support 2 respectively,
It further include locking member, locking member includes mutually matched positioning protrusion 5 and location hole 6, and location hole 6 is arranged in articulated section 4
On, positioning protrusion 5 is arranged on swing rod 3, and is able to enter location hole 6 and forms the positioning of articulated section 4 or skid off the solution of location hole 6
Except the positioning of articulated section 4.
The both ends of swing rod 3 and backrest plate 1 and headrest support 2 are hinged, may be implemented the adjustment of three position, and then can be with
Realize headrest positions adjusting, locking member use positioning protrusion 5 and location hole 6 fit form, and by positioning protrusion 5 into
Entering location hole 6 may be implemented the positioning of backrest plate 1, headrest support 2 and swing rod 3 on its turned position, the particularly important is
Cooperation and positioning form between 2 three of swing rod 3, backrest plate 1 and headrest support have that structure is simple, easily manufactured and manufacture
Advantage at low cost.
Referring to Fig. 2, Fig. 5 and Fig. 6, articulated section 4 includes two symmetrically arranged hinged seats 7, and the end of swing rod 3 is arranged two
Between hinged seat 7.Specifically, shaft hole 8 is provided on hinged seat 7 and swing rod 3, by wearing between hinged seat 7 and swing rod 3
Pin shaft 9 in shaft hole 8 connects, specifically, one end of pin shaft 9 is provided with retention bead, the other end is provided with annular groove, and two
A setting in a hinged seat 7 is fluted, and retention bead is arranged in groove, and it is another that there is pin shaft 9 one end of annular groove to be located at
The outside of one hinged seat 7, and it is provided with the Spring Card for preventing pin shaft from deviating from from hinged seat 7 in a ring groove.
Multiple equally distributed location holes 6 are provided on one in two hinged seats 7.Positioning protrusion 5 by with difference
Location hole 6 cooperate, backrest plate 1 and/or headrest support 2 may be implemented in the positioning of different turned positions.
Referring to Fig. 7, Fig. 8, locking member further includes button portion 10, and positioning protrusion 5 is arranged in button portion 10, and in button portion
Enter or skid off location hole 6 under 10 drive.
Specifically, location hole 6 is the through-hole being arranged on hinged seat 7, positioning protrusion 5 is the circle being arranged in button portion 10
Column construction.
Restriction slot is provided on swing rod 3, button portion 10 is slidably disposed in limiting slot, and in button portion 10
Reset spring is provided between side and limiting slot.
The both ends of button portion 10 are provided with positioning protrusion 5, the positioning protrusion 5 and backrest plate positioned at 10 one end of button portion
Location hole 6 on 1 matches, and the positioning protrusion 5 positioned at 10 other end of button portion is matched with the location hole 6 on headrest support 2.
Specifically, the positioning protrusion 5 in normal state, under the action of reset spring, in button portion 10 is located at
In location hole 6, when needing to adjust headrest positions, push button portion 10, button portion 10 overcomes the elastic force of reset spring, and drives
Positioning protrusion 5 is skidded off out of location hole 6, and the position between 2 three of swing rod 3, backrest plate 1 and headrest support can carry out at this time
Adjustment, after having adjusted the position of 2 three of swing rod 3, backrest plate 1 and headrest support, release button portion 10, button portion 10 exists
Under the action of reset spring, positioning protrusion 5 is driven to carry out location hole 6, realizes swing rod 3,2 three of backrest plate 1 and headrest support
Positioning.
Multiple positioning protrusion 5 are provided on swing rod 3, in the case where articulated section 4 is in positioning states, at least there are two positioning protrusion
5 are located at the different positioning holes on same hinged seat 7.By the positioning protrusion 5 of the same end two on swing rod 3 and backrest plate 1 or
The cooperation of two location holes 6 on headrest support 2, can be improved swing rod 3 and the structure of backrest plate 1 or the cooperation of headrest support 2 is strong
Degree makes pillow holder that there is stronger support force can be adapted for different crowds.
For the ease of the processing of backrest plate 1 or headrest support 2, the positioning on backrest plate 1 or headrest support 2 is set
Hole 6 is through-hole structure, and the outside of 2 hinged seat 7 of backrest plate 1 and headrest support is provided with trim 11.Trim 11
Including circular body, and the grafting protrusion of circular body side is set, grafting protrusion is cylindrical structure, grafting protrusion
It is plugged on positioning hole, circular body can block all location hole 6 and shaft hole 8, have headrest support preferably whole
Body, and prevent dust from entering location hole 6 and shaft hole 8.It is provided with mounting hole on the hinged seat 7 for not having location hole 6,
The grafting protrusion of trim 11 is plugged in mounting hole, so, the outside of symmetrically arranged two hinged seat 7 is provided with trim
11, aesthetics is more preferable.
Backrest plate 1 and headrest support 2 are by kirsite integrally casting shaping.Backrest plate 1 and headrest support 2 use one
Body formula casting and forming has high production efficiency, the low advantage of production cost.It should be noted that backrest is inserted in present embodiment
Plate 1 and headrest support 2, which use kirsite, to be improved material the application, refers to backrest plate 1 and headrest support 2 using existing
There is common zinc alloy material in technology to be made.
The aperture of location hole 6 is 3.5-4mm.Preferably, the aperture of location hole 6 is 3.8mm.
It should be understood that even if there are the form that location hole 6 and positioning protrusion 5 cooperate, location holes 6 in the prior art
It is arranged on a multi-diameter shaft, one end of multi-diameter shaft is arranged on an articulated section, and the other end is hinged with another by pin shaft
Portion's connection, and existing backrest plate and headrest support are made of by aluminium through lathe process, and existing positioning protrusion
Structural strength is poor, needs to increase the diameter of positioning protrusion and location hole, and such as aperture of existing location hole is 5mm.This implementation
The pillow holder that mode provides compared with the existing technology for, have structure simple, the convenient for production and high advantage of structural strength.
Pillow holder further includes fixing seat, and through slot is provided in fixing seat, and backrest plate is plugged in through slot, backrest plugboard
Upper and lower surfaces two sides be inclined face (as shown in Figure 3).Specifically, fixing seat includes bottom plate and is arranged in bottom plate
, there is interval in the top plate on top, which forms through slot between bottom plate and top plate.It is provided with fluting on top plate, is arranged at fluting
Flexible tabletting, when backrest plugboard is plugged in through slot, elastic pressuring plate provides pressure to backrest plugboard, realizes backrest grafting
The positioning of plate.
In the present embodiment, a kind of dental chair, including headrest and backrest are additionally provided, further includes as described above
The backrest plate 1 of pillow holder, pillow holder is connect with movable backrest, and headrest support 2 is fixedly connected with headrest.
Technical principle of the utility model has been described above with reference to specific embodiments, these descriptions are intended merely to explain this reality
With novel principle, it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on explaining herein, ability
The technical staff in domain, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model, these
Mode is fallen within the protection scope of the utility model.
Claims (10)
1. a kind of pillow holder is leaned on including the backrest plate (1) connecting with backrest with the headrest support (2) of headrest connection and connection
The swing rod (3) of plate (1) and headrest support (2) is carried on the back, the backrest plate (1) and headrest support (2) they include articulated section (4),
The both ends of the swing rod (3) are hinged with the articulated section (4) of backrest plate (1) and headrest support (2) respectively, which is characterized in that also
Including locking member, the locking member includes mutually matched positioning protrusion (5) and location hole (6), and the location hole (6) sets
It sets on articulated section (4), the positioning protrusion (5) is arranged on swing rod (3), and is able to enter location hole (6) and forms articulated section
(4) positioning skids off the positioning that location hole (6) release articulated section.
2. pillow holder according to claim 1, which is characterized in that the articulated section (4) includes two symmetrically arranged hinges
The end of joint chair (7), the swing rod (3) is arranged between two hinged seats (7)；
Multiple equally distributed location holes (6) are provided on one in two hinged seats (7).
3. pillow holder according to claim 2, which is characterized in that the locking member further includes button portion (10), described
Positioning protrusion (5) is arranged on button portion (10), and enters under the drive of button portion (10) or skid off location hole (6).
4. pillow holder according to claim 3, which is characterized in that be provided with restriction slot, the button on the swing rod (3)
Portion (10) is slidably disposed in limiting slot, and is provided with reset bullet between the inside and limiting slot of button portion (10)
Spring；
The both ends of the button portion (10) are provided with positioning protrusion (5), be located at button portion (10) one end positioning protrusion (5) with
Location hole (6) on backrest plate (1) matches, and is located at the positioning protrusion (5) and headrest support (2) of button portion (10) other end
On location hole (6) match.
5. pillow holder according to claim 2, which is characterized in that be provided with multiple positioning protrusion on the swing rod (3)
(5), in the case where articulated section (4) are in positioning states, at least it is located at the difference on same articulated section (4) there are two positioning protrusion (5)
In location hole (6).
6. pillow holder according to claim 2, which is characterized in that be provided with trim on the outside of the hinged seat (7)
(11)。
7. pillow holder according to claim 1, which is characterized in that the backrest plate (1) and headrest support (2) are by zinc
Alloy integrally casting shaping.
8. pillow holder according to claim 1, which is characterized in that the aperture of the location hole (6) is 3.5-4mm.
9. pillow holder according to claim 1, which is characterized in that further include fixing seat, be provided in the fixing seat logical
Slot, the backrest plate (1) are plugged in through slot；
The two sides of the upper and lower surfaces of the backrest plate (1) are inclined face.
10. a kind of dental chair, including headrest and backrest, which is characterized in that further include as described in any one of claims 1-9
The backrest plate (1) of pillow holder, the pillow holder is connect with movable backrest, and the headrest support (2) is fixedly connected with headrest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842797.9U CN208339725U (en) | 2017-07-12 | 2017-07-12 | A kind of pillow holder and the dental chair using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842797.9U CN208339725U (en) | 2017-07-12 | 2017-07-12 | A kind of pillow holder and the dental chair using it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208339725U true CN208339725U (en) | 2019-01-08 |
Family
ID=64873907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720842797.9U Active CN208339725U (en) | 2017-07-12 | 2017-07-12 | A kind of pillow holder and the dental chair using it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208339725U (en) |
-
2017
- 2017-07-12 CN CN201720842797.9U patent/CN208339725U/en active Active
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