CN212325901U - Seat with seat height adjusting mechanism - Google Patents
Seat with seat height adjusting mechanism Download PDFInfo
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- CN212325901U CN212325901U CN202020851754.9U CN202020851754U CN212325901U CN 212325901 U CN212325901 U CN 212325901U CN 202020851754 U CN202020851754 U CN 202020851754U CN 212325901 U CN212325901 U CN 212325901U
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- seat
- locking
- height
- adjustment mechanism
- sleeve
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Abstract
The utility model provides a seat with seat height adjustment mechanism, including the seat, the person in charge outside of seat has cup jointed the height adjustment mechanism who is used for adjusting seat height, height adjustment mechanism include one with seat fixed connection, and with the sleeve pipe of being responsible for sliding fit, sheathed tube outside both sides are provided with down hasp left side lid and lower hasp right side lid respectively, outside one side of lower hasp left side lid is provided with the activity locking Assembly who is used for seat height to adjust locking, outside one side of lower hasp right side lid is provided with and cooperates with the locating hole, and carry out the spacing subassembly of injecing to restriction seat height. According to the scheme, through the arranged movable locking assembly, one end of the sleeve can be quickly folded inwards under the action of external force when the height of the chair seat is adjusted; cam spanner one end is provided with the mounting groove, and the spacing pin that passes the mounting groove links to each other with the locking panel beating for the cam spanner can drive the locking panel beating when inside rotation and compress tightly the sleeve pipe opening, reduces the inner space, plays the effect of quick locking.
Description
Technical Field
The utility model belongs to the technical field of the study chair, concretely relates to seat with seat height adjustment mechanism.
Background
The study chair is the must instrument when children learn, and the study chair on the market is the height of the most also adjustable seat height, and the regulation of seat height generally is the knob regulation, needs the knob of loosening soon earlier, adjusts the switch of screwing again after accomplishing, can not the auto-response locking, adjusts inefficiency, and the personnel of gouging injury that easily drop, and adjustment mechanism axle sleeve and person in charge make the seat support produce easily because of the clearance of production reservation existence and rock, and the seat support has the problem of sitting the sense unstable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seat with seat height adjustment mechanism, the regulation that the learning seat support height that aims at solving among the prior art generally is the knob regulation, needs the knob of loosening soon earlier, adjusts the switch of screwing again after accomplishing, can not automatic answer locking, adjusts inefficiency, the personnel of gouging easily that drop, and adjustment mechanism axle sleeve and the person in charge make the seat support produce easily because of the clearance that production reservation exists and rock, the seat support has the unstable problem of seat sense.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a seat with seat height adjustment mechanism, includes the seat, the person in charge outside of seat has cup jointed the height adjustment mechanism who is used for adjusting seat height, just a plurality of locating holes that are used for seat slip locking are seted up to the surface of being responsible for, height adjustment mechanism include one with seat fixed connection to with be responsible for sliding fit's sleeve pipe, be equipped with matched with preceding axle bush and back axle bush between person in charge and the sleeve pipe, sheathed tube outside both sides are provided with down hasp left side lid and lower hasp right side lid respectively, outside one side of hasp left side lid is provided with the activity locking Assembly who is used for seat height to adjust locking down, outside one side of hasp right side lid is provided with the cooperation with the locating hole down to limit assembly who prescribes a limit to restriction seat height.
As an optimization, activity locking Assembly is including the locking panel beating, the locking panel beating passes through screw fixed mounting in the inboard of lower hasp right side lid, and two linking arms of the one end of locking panel beating run through the trompil that sleeve pipe and lower hasp left side lid correspond and place the outside of hasp lid in, and the end department of two linking arms is rotated through spanner pin cooperation jump ring locking and is connected with cam spanner, and cam spanner through pulling activity locking Assembly can carry out height control to the seat of study chair fast.
As an optimization of the utility model, the vertical opening of one end column spinner of cam spanner has the jack, the size of jack and the size phase-match of spanner pin.
As an optimization, when the sleeve pipe was kept away from in cam wrench's spiral shaft axle center, the sleeve pipe was connected with the person in charge closure, when cam wrench's spiral shaft axle center was close to the sleeve pipe, the sleeve pipe was separated with the person in charge, cam wrench's rotatory axle center and the column spinner eccentric settings at cam wrench end.
As a preferred, spacing subassembly include with lower hasp right side lid outside fixed connection's knob seat, the knob is installed to the oblique spout internal rotation that knob seat inboard was equipped with, there is spacing pin the inboard of knob through screw fixed mounting, the outside cover of spacing pin is equipped with the spacing pin spring inconsistent with oblique spout.
As an optimization of the utility model, the one end that cam spanner was kept away from to lower hasp left side lid and lower hasp right side lid passes through fitting pin and seat support fixed connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1) through the arranged movable locking component, one end of the sleeve can be quickly folded inwards under the action of external force when the chair seat is adjusted to be high; one end of the cam wrench is provided with a mounting groove, and a limit pin penetrating through the mounting groove is connected with the locking metal plate, so that the cam wrench can drive the locking metal plate to press the opening of the sleeve when rotating inwards, the internal space is reduced, and the effect of quick locking is achieved;
2) through the spacing subassembly that sets up, spacing subassembly has designed spacing pin spring and oblique spout, and when the knob was opened, the knob drove spacing pin and outwards rotated along oblique spout together, removed the limit function of spacing pin and locating hole, adjust the completion back, loosen the knob, the knob is automatic re-setting under spacing pin spring's restoring force effect to block into the locating hole that corresponds once more, cooperation activity locking subassembly makes the seat support adjustment back, and the fastening does not rock in the use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the height adjusting mechanism of the present invention;
fig. 3 is an exploded view of the present invention;
fig. 4 is a schematic view of the open state of the adjusting mechanism of the present invention;
fig. 5 is a schematic sectional view of the open state of the adjusting mechanism of the present invention;
fig. 6 is a schematic view of the locking state of the adjusting mechanism of the present invention;
fig. 7 is a schematic cross-sectional view of the locking state of the adjusting mechanism of the present invention.
In the figure: 1. a seat; 11. a main pipe; 12. a seat base; 2. a height adjustment mechanism; 2a, a movable locking component; 2a1, locking metal plates; 2a2, locking a metal plate fixing cover; 2a3, cam wrench; 2a4, spanner pins; 2a5, circlip; 2b, a limiting component; 2b1, knob; 2b2, knob seat; 2b3, limit pin spring; 2b4, stop pin; 21. a front bearing shell; 22. a rear bearing bush; 23. a lower lock catch left cover; 24. a lower lock catch right cover; 25. a sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a seat with seat height adjustment mechanism, including seat 1, seat 1's the high adjustment mechanism 2 that is used for adjusting the height of seat 12 has cup jointed in the person in charge 11 outside, and the person in charge 11 surface offers a plurality of locating holes that are used for seat 12 to slide and lock, high adjustment mechanism 2 includes one and seat 12 fixed connection, and with the person in charge 11 sliding fit's sleeve pipe 25, be equipped with matched with preceding axle bush 21 and back axle bush 22 between the person in charge 11 and the sleeve pipe 25, the outside both sides of sleeve pipe 25 are provided with down hasp left cover 23 and lower hasp right cover 24 respectively, outside one side of lower hasp left cover 23 is provided with the activity locking Assembly 2a that is used for seat height to adjust the locking, the outside one side of lower hasp right cover 24 is provided with and cooperates with the locating hole, and carry out the spacing Assembly 2b of injecing to restriction seat 12 seat heights.
Preferably, the movable locking assembly 2a includes a locking metal plate 2a1, the locking metal plate 2a1 is fixedly mounted on the inner side of the lower locking buckle right cover 24 through screws, two connecting arms at one end of the locking metal plate 2a1 penetrate through corresponding openings of the sleeve 25 and the lower locking buckle left cover 23 and are arranged outside the locking buckle cover, ends of the two connecting arms are rotatably connected with a cam wrench 2a3 through wrench pins 2a4 in a matched mode with the snap springs 2a5 in a locking mode, and when the chair seat is adjusted in a high-speed mode through the movable locking assembly 2a, one end of the sleeve 25 can be rapidly folded inwards under the action of external force, and the main pipe 11 is clamped through the front bearing bush 21 and the rear bearing bush 22.
Preferably, a rotating column at one end of the cam wrench 2a3 is vertically provided with a socket, and the size of the socket is matched with that of the wrench pin 2a4, so that the cam wrench 2a3 can be rotatably installed on the connecting arm through the wrench pin 2a4 and the snap spring 2a 5.
Preferably, when the axis of the rotating shaft of the cam wrench 2a3 is far away from the sleeve 25, the sleeve 25 is locked with the main pipe 11, the seat height adjusting assembly cannot lift, and when the axis of the rotating shaft of the cam wrench 2a3 is close to the sleeve 25, the sleeve 25 is separated from the main pipe 11, so that the seat height adjusting assembly can lift, and the rotating axis of the cam wrench 2a3 is eccentric to the rotating column at the end of the cam wrench 2a 3.
Preferably, spacing subassembly 2b includes the knob seat 2b2 with lower hasp right side lid 24 outside fixed connection, the oblique spout internal rotation that knob seat 2b2 inboard was equipped with installs knob 2b1, there is spacing pin 2b4 inboard through screw fixed mounting of knob 2b1, the outside cover of spacing pin 2b4 is equipped with the spacing pin spring 2b3 that offsets with oblique spout, make the seat support adjustment back through spacing subassembly 2b cooperation activity locking subassembly 2a that sets up, the fastening does not rock in the use.
Preferably, the ends of the lower left cover 23 and the lower right cover 24 away from the cam wrench 2a3 are fixedly connected to the seat 12 through locking pins, so that the lower left cover 23 and the lower right cover 24 can move together with the seat 12.
Specifically, the mounting is as follows (as shown in fig. 2):
firstly, the limit component 2b is assembled, the limit pin 2b4 passes through the limit pin spring 2b3, penetrates out from the opening on the inner side of the lower lock catch right cover 24 and the knob seat 2b2, is inserted into the mounting groove of the knob 2b1 and is screwed
Fixing with nails;
the movable locking assembly 2a is installed, the locking metal plate 2a1 penetrates through two holes of the locking metal plate fixing cover 2a2, and then the locking metal plate fixing cover 2a2 is installed on the inner side of the lower lock catch right cover 24 through a screw; one end of a connecting arm of the locking metal plate 2a1 penetrates through the sleeve 25 and an opening at the rear end of the lower locking left cover 23, and the lower locking right cover 24 and the lower locking left cover 23 are fixed by screws;
the cam wrench 2a3 penetrates through the insertion hole by using the wrench pin 2a4 and is matched with the snap spring 2a5 to be fixed with the locking sheet metal 2a1, and the installed snap spring 2a5 can effectively prevent the wrench pin 2a4 from being separated from the insertion hole.
The working principle is as follows: when the cam wrench 2a3 is loosened outwards, the cam shaft rotates along the wrench pin 2a4, and because the distance between the outer ring of the cam shaft and the rotation center is different, when the wrench is outwards, the distance between the outer ring of the cam shaft and the rotation center is reduced, the limit pin 2b4 and the locking metal plate 2a1 move towards one side of the sleeve 25, the opening between the sleeve 25 is enlarged, and the locking force is released; then when the knob 2b1 is rotated outwards, the knob 2b1 slides along the inclined sliding groove in the knob seat 2b2 to drive the limit pin 2b4 to move outwards, the limit state is released, the limit pin spring 2b3 is pressed through the knob 2b1, the seat height of the seat 12 of the seat can be freely adjusted up and down, after the adjustment is finished (as shown in fig. 4 and 5), the knob 2b1 is loosened, the limit pin 2b4 automatically rebounds under the restoring force of the limit pin spring 2b3, the limit pin 2b4 is clamped into the positioning hole, and then the cam 2b1 is clamped into the positioning hole
The wrench 2a3 is reset inward to provide a locking force (as shown in fig. 6 and 7).
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A seat with a seat height adjusting mechanism comprises a seat (1) and is characterized in that a height adjusting mechanism (2) used for adjusting the height of a seat base (12) is sleeved outside a main pipe (11) of the seat (1), a plurality of positioning holes used for sliding locking of the seat base (12) are formed in the surface of the main pipe (11), the height adjusting mechanism (2) comprises a sleeve (25) which is fixedly connected with the seat base (12) and is in sliding fit with the main pipe (11), a front bearing bush (21) and a rear bearing bush (22) which are matched with each other are arranged between the main pipe (11) and the sleeve (25), a lower lock catch left cover (23) and a lower lock catch right cover (24) are respectively arranged on two outer sides of the sleeve (25), a movable locking component (2a) used for adjusting and locking the seat height is arranged on one outer side of the lower lock catch left cover (23), and a limiting component (2b) which is matched with the positioning hole and limits the seat height of the seat base (12) is arranged on one side of the outer part of the lower lock catch right cover (24).
2. A seat with a seat height adjustment mechanism as claimed in claim 1, wherein: activity locking Assembly (2a) is including locking panel beating (2a1), locking panel beating (2a1) through screw fixed mounting in the inboard of lower hasp right side lid (24), two linking arms of the one end of locking panel beating (2a1) run through the trompil that sleeve pipe (25) and lower hasp left side lid (23) correspond and place the outside of hasp lid in, and the end department of two linking arms is connected with cam spanner (2a3) through spanner pin (2a4) cooperation jump ring (2a5) locking rotation.
3. A seat with a seat height adjustment mechanism according to claim 2, wherein: a rotary column at one end of the cam wrench (2a3) is vertically provided with a jack, and the size of the jack is matched with that of the wrench pin (2a 4).
4. A seat with a seat height adjustment mechanism according to claim 3, wherein: when the axis of rotation of cam spanner (2a3) is kept away from sleeve pipe (25), sleeve pipe (25) and being responsible for (11) closure connection, when the axis of rotation of cam spanner (2a3) is close to sleeve pipe (25), sleeve pipe (25) and being responsible for (11) separation, the rotatory axis of rotation of cam spanner (2a3) and the column spinner eccentric settings of cam spanner (2a3) end.
5. A seat with a seat height adjustment mechanism according to claim 2, wherein: spacing subassembly (2b) include with lower hasp right side lid (24) outside fixed connection's knob seat (2b2), knob seat (2b2) inboard oblique spout internal rotation that is equipped with installs knob (2b1), there is spacing pin (2b4) inboard of knob (2b1) through screw fixed mounting, the outside cover of spacing pin (2b4) is equipped with and inclines inconsistent spacing pin spring (2b3) of spout.
6. A seat with a seat height adjustment mechanism according to claim 2, wherein: one ends, far away from the cam wrench (2a3), of the lower lock catch left cover (23) and the lower lock catch right cover (24) are fixedly connected with the seat base (12) through locking pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851754.9U CN212325901U (en) | 2020-05-20 | 2020-05-20 | Seat with seat height adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020851754.9U CN212325901U (en) | 2020-05-20 | 2020-05-20 | Seat with seat height adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212325901U true CN212325901U (en) | 2021-01-12 |
Family
ID=74082813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020851754.9U Active CN212325901U (en) | 2020-05-20 | 2020-05-20 | Seat with seat height adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212325901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978339A (en) * | 2021-11-09 | 2022-01-28 | 艾迪机器(杭州)有限公司 | Emergency drainage device, matched chassis and sewage suction method thereof |
-
2020
- 2020-05-20 CN CN202020851754.9U patent/CN212325901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978339A (en) * | 2021-11-09 | 2022-01-28 | 艾迪机器(杭州)有限公司 | Emergency drainage device, matched chassis and sewage suction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Hutong Ergonomics Technology Co., Ltd Assignor: HANGZHOU TOTGUARD TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000311 Denomination of utility model: Seat with seat height adjusting mechanism Granted publication date: 20210112 License type: Common License Record date: 20210924 |
|
| EE01 | Entry into force of recordation of patent licensing contract |