CN215190446U - Self-adaptive adjustment type backrest connecting mechanism - Google Patents
Self-adaptive adjustment type backrest connecting mechanism Download PDFInfo
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- CN215190446U CN215190446U CN202121013862.XU CN202121013862U CN215190446U CN 215190446 U CN215190446 U CN 215190446U CN 202121013862 U CN202121013862 U CN 202121013862U CN 215190446 U CN215190446 U CN 215190446U
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- backrest
- sliding sleeve
- adaptive adjustment
- bolt
- connecting member
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Abstract
The utility model discloses a self-adaptive adjustment type backrest connecting mechanism, relating to the technical field of ergonomic chairs; including connecting seat, coupling assembling, the connecting seat can be dismantled with coupling assembling and be connected its characterized in that: the connecting assembly comprises an elastic member; the connecting mechanism further comprises a connecting bolt, the connecting bolt penetrates through the elastic piece to be connected with the backrest, and the elastic piece adjusts the compression amount according to the connection tightness degree of the connecting bolt and the backrest so as to change the flexibility of the elastic piece. The utility model has the advantages that: the compression amount of the elastic piece can be adjusted by rotating the connecting bolt, so that the hardness degree of the backrest is changed; is convenient for installation and disassembly.
Description
Technical Field
The utility model belongs to ergonomic chair field, in particular to self-adaptation regulation formula back coupling mechanism.
Background
Chinese patent application No.: cn03267452.x, patent name: the utility model provides an improved structure of office chair back comprises foot rest, seat support, and back, and the seat support bottom surface is equipped with the back connecting seat, is connected back and seat support through an L shape back of the body pole, and in the lower extreme of L shape back of the body pole inserted the mounting groove of back connecting seat, the fixed or movable mounting back board in upper end of L shape back of the body pole, its characterized in that: the chair backrest consists of two long plates which are respectively installed and connected at two ends of a transverse plate through soft blocks to form an H-shaped structure, and a bolt hole connected with an L-shaped back rod is formed in the center of the transverse plate. Because the utility model discloses a back board and diaphragm are the flexible coupling, so when people sat this kind of chair and pressed the backplate backward, two back boards just can be automatic pendulum to making the backplate face hug closely at people's back to reach the shape of back of the chair and can change according to the characteristics at seat people back, make the more comfortable purpose of feeling.
The prior art has the following defects that (1) the force required by the backrest to swing towards the backrest due to the leaning of the back of a human body varies from person to person, and the technical proposal is difficult to adjust the hardness of a soft body according to the difference of users; (2) the backrest and the mounting seat are connected by bolts, so that the disassembly and the installation are inconvenient.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned shortcoming of prior art, provide a self-adaptation regulation formula back coupling mechanism.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a self-adaptation regulation formula back coupling mechanism, includes connecting seat, coupling assembling, the connecting seat can be dismantled with coupling assembling and be connected its characterized in that: the connecting assembly comprises an elastic member; the connecting mechanism further comprises a connecting bolt, the connecting bolt penetrates through the elastic piece to be connected with the backrest, and the elastic piece adjusts the compression amount according to the connection tightness degree of the connecting bolt and the backrest so as to change the flexibility of the elastic piece.
As preferred, coupling assembling keeps away from the one end of back and is equipped with the trapezoidal connector of transversal personally submitting, one side that the connecting seat is close to the back is equipped with and is used for and connector complex spread groove, the upper end of spread groove runs through in the upside of connecting seat.
Preferably, the connecting assembly further comprises a first connecting piece and a second connecting piece which are positioned on two opposite sides of the elastic piece, the connecting bolt penetrates through the first connecting piece and the second connecting piece, and the connecting head is fixedly connected with the second connecting piece.
Preferably, the backrest is provided with a groove matched with the first connecting piece, one end of the first connecting piece is embedded into the groove, the first connecting piece is provided with a first limiting column, the second connecting piece is provided with a second limiting column, the first connecting piece is inserted into the elastic piece, and the second limiting column is inserted into the elastic piece.
Preferably, the second connecting member is provided with a long hole, and the connecting bolt passes through the long hole.
Preferably, the connecting assembly is externally wrapped with an elastic sleeve.
Preferably, the connecting seat comprises a sliding sleeve for connecting with the chair back column and a fixing bolt for fixing the sliding sleeve on the chair back column, and the fixing bolt penetrates through the side wall of the sliding sleeve and is in threaded connection with the sliding sleeve.
Preferably, the connecting seat further comprises connecting arms fixedly connected to two opposite sides of the sliding sleeve, the number of the backrests is two, the backrests correspond to the connecting arms one to one, and the connecting grooves are located at one ends, far away from the sliding sleeve, of the connecting arms.
The utility model has the advantages that: 1: the elasticity is provided by utilizing the material characteristics of the elastic piece; 2: the compression amount of the elastic piece can be adjusted by rotating the connecting bolt so as to change the flexibility of the elastic piece, thereby changing the swinging hardness of the backrest; 3: the elastic sleeve plays a role in protecting parts on one hand and provides auxiliary elastic force on the other hand; 4: the second connecting piece is provided with the long hole, so that the screw of the connecting piece can be finely adjusted up and down when the backrest moves, and better comfort is brought; 5: is convenient for installation and disassembly.
Drawings
Preferred features of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is an exploded view of an embodiment;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is a partial sectional view of the embodiment.
In the figure: the connecting seat comprises a connecting seat 1, a backrest 2, a connecting head 4, a connecting groove 5, a first connecting piece 6, a second connecting piece 7, an elastic piece 8, a connecting bolt 9, a groove 10, a first limiting column 11, a second limiting column 12, a long hole 13, a sliding sleeve 14, a fixing bolt 15, a connecting arm 16 and an elastic sleeve 17.
Detailed Description
The invention will be further explained in detail with reference to the drawings and the following detailed description:
example (b):
referring to fig. 1 to 4, a self-adaptation regulation formula back coupling mechanism, coupling assembling including connecting seat 1, one end and back 2 connection, the coupling assembling other end and connecting seat 1 can be dismantled and be connected, coupling assembling keeps away from the one end of back 2 and is equipped with transversal trapezoidal connector 4 of personally submitting, one side that connecting seat 1 is close to back 2 is equipped with and is used for and connector 4 complex spread groove 5 (the spread groove is squarely), the upper end of spread groove 5 runs through in the upside of connecting seat 1.
Coupling assembling includes first connecting piece 6, second connecting piece 7, is located elastic component 8, connecting bolt 9 between first connecting piece 6 and the second connecting piece 7, connecting bolt 9 passes behind first connecting piece 6, second connecting piece 7, the elastic component 8 and 2 threaded connection of back, connector 4 and the rigid coupling of second connecting piece 7.
The backrest 2 is provided with a groove 10 matched with the first connecting piece 6, one end of the first connecting piece 6 is embedded into the groove 10, the first connecting piece 6 is provided with a first limiting column 11, the second connecting piece 7 is provided with a second limiting column 12, the first connecting piece 6 is inserted into the elastic piece 8, and the second limiting column 12 is inserted into the elastic piece 8.
The second connecting piece 7 is provided with a long hole 13, and the connecting bolt 9 passes through the long hole 13.
The connecting component is wrapped by an elastic sleeve 17.
The connecting seat 1 comprises a sliding sleeve 14 connected with the chair back column and a fixing bolt 15 used for fixing the sliding sleeve 14 on the chair back column, wherein the fixing bolt 15 penetrates through the side wall of the sliding sleeve 14 and is in threaded connection with the sliding sleeve 14.
The connecting seat 1 further comprises connecting arms 16 fixedly connected to two opposite sides of the sliding sleeve 14, the number of the backrests 2 is two, the backrests 2 correspond to the connecting arms 16 one to one, and the connecting groove 5 is located at one end, far away from the sliding sleeve 14, of the connecting arm 16.
Principle of embodiment:
when the backrest is installed, the connecting bolt 9 penetrates through the first connecting piece 6, the second connecting piece 7 and the elastic piece 8, the elastic sleeve 17 is sleeved on the connecting bolt 9, then the connecting bolt 9 is screwed on the backrest, when the connecting bolt is screwed, the elastic piece 8 is extruded by the first connecting piece 6 and the second connecting piece 7, and the hardness degree of the backrest can be adjusted by adjusting the compression amount of the elastic piece 8; then, the connector 4 slides into the connecting groove 5 from top to bottom, and the backrest is quickly connected to the mounting seat (when the backrest needs to be detached, the backrest can be lifted upwards, so that the backrest is convenient to detach); sleeving the sliding sleeve 14 on a chair back column (the chair back column is the prior art and is not described here), adjusting the height of the backrest, and after the adjustment is completed, screwing the fixing bolt 15, wherein the end part of the fixing bolt 15 is tightly pressed on the chair back column; the height of the backrest is finely adjusted by adjusting the position of the connecting bolt 9 in the long hole 13, so that the comfort is improved; in practical use, after the back presses the backrest, the elastic member 8 and the elastic sleeve are deformed, and after the backrest rotates, the backrest can be restored immediately under the action of the first limiting column 11 and the second limiting column 12.
Claims (8)
1. The utility model provides a self-adaptation regulation formula back coupling mechanism, includes connecting seat, coupling assembling, the connecting seat can be dismantled with coupling assembling and be connected its characterized in that:
the connecting assembly comprises an elastic member;
the connecting mechanism further comprises a connecting bolt, the connecting bolt penetrates through the elastic piece to be connected with the backrest, and the elastic piece adjusts the compression amount according to the connection tightness degree of the connecting bolt and the backrest so as to change the flexibility of the elastic piece.
2. The adaptive adjustment backrest connecting mechanism according to claim 1, wherein a connecting head with a trapezoidal cross section is disposed at an end of the connecting member away from the backrest, a connecting groove for matching with the connecting head is disposed at a side of the connecting seat close to the backrest, and an upper end of the connecting groove penetrates through an upper side of the connecting seat.
3. The adaptive adjustment type backrest connecting mechanism according to claim 2, wherein the connecting assembly further comprises a first connecting member and a second connecting member located at opposite sides of the elastic member, the connecting bolt penetrates through the first connecting member and the second connecting member, and the connecting head is fixedly connected with the second connecting member.
4. The adaptive adjustment backrest connecting mechanism according to claim 3, wherein the backrest is provided with a groove adapted to the first connecting member, one end of the first connecting member is embedded in the groove, the first connecting member is provided with a first position-limiting post, the second connecting member is provided with a second position-limiting post, the first connecting member is inserted into the elastic member, and the second position-limiting post is inserted into the elastic member.
5. The adaptive adjustment backrest connecting mechanism according to claim 3, wherein the second connecting member is provided with a long hole, and the connecting bolt passes through the long hole.
6. The adaptive recliner mechanism of claim 3 wherein the connecting member is wrapped with a resilient sleeve.
7. The adaptive adjustment backrest connecting mechanism according to any one of claims 1-6, wherein the connecting seat comprises a sliding sleeve for connecting with the backrest column, and a fixing bolt for fixing the sliding sleeve on the backrest column, the fixing bolt passes through the side wall of the sliding sleeve and is in threaded connection with the sliding sleeve.
8. The adaptive adjustment backrest connecting mechanism according to claim 7, wherein the connecting base further comprises two connecting arms fixedly connected to opposite sides of the sliding sleeve, the backrest and the connecting arms are in one-to-one correspondence, and the connecting groove is located at an end of the connecting arm away from the sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121013862.XU CN215190446U (en) | 2021-05-12 | 2021-05-12 | Self-adaptive adjustment type backrest connecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121013862.XU CN215190446U (en) | 2021-05-12 | 2021-05-12 | Self-adaptive adjustment type backrest connecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215190446U true CN215190446U (en) | 2021-12-17 |
Family
ID=79418650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121013862.XU Active CN215190446U (en) | 2021-05-12 | 2021-05-12 | Self-adaptive adjustment type backrest connecting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215190446U (en) |
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2021
- 2021-05-12 CN CN202121013862.XU patent/CN215190446U/en active Active
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