CN211862324U - Spring adjusting mechanism of adjustable swivel chair base - Google Patents
Spring adjusting mechanism of adjustable swivel chair base Download PDFInfo
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- CN211862324U CN211862324U CN202020356139.0U CN202020356139U CN211862324U CN 211862324 U CN211862324 U CN 211862324U CN 202020356139 U CN202020356139 U CN 202020356139U CN 211862324 U CN211862324 U CN 211862324U
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- 238000009434 installation Methods 0.000 claims description 31
- 230000007547 defect Effects 0.000 abstract 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model relates to the technical field of swivel chairs in the furniture industry, in particular to a spring adjusting mechanism of an adjustable swivel chair base, aiming at overcoming the defects of the prior art and providing a spring adjusting mechanism of an adjustable swivel chair base; it includes first fixing base, tailboard, bedplate, second fixing base, connect through first erection shaft between first fixing base, tailboard and the bedplate, connect through the third erection shaft between tailboard and the bedplate, connect through the fourth erection shaft between first fixing base and the bedplate, connect its characterized in that through the second erection shaft between first fixing base and the second fixing base: the first fixed seat is provided with a spring adjusting mechanism; has the advantages that: the spring force of the adjusting spring is adjusted through the rotation of the first handle, and the spring force of the adjusting spring acts on the fourth mounting shaft, so that the back of the swivel chair is adjusted according to the elastic force.
Description
Technical Field
The utility model relates to a swivel chair technical field of furniture trade specifically is a spring adjustment mechanism of adjustable swivel chair base.
Background
The swivel chair is common furniture, and the existing swivel chair can be horizontally rotated to adjust the height up and down. Some swivel chairs can adjust the tilting amplitude of the chair back. However, the structure and effect of the prior various swivel chairs are single, and the prior swivel chairs do not meet the requirements of multiple functions and human bodies at the same time. To market and consumer's expectation, the utility model aims at providing a spring guiding mechanism of adjustable swivel chair base, its adjustment that makes the swivel chair back has more elasticity, its simple structure practicality, laborsaving convenient, production and consumption cost are comparatively cheap.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art, provide a spring guiding mechanism of adjustable swivel chair base.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides a spring adjustment mechanism of adjustable swivel chair base, includes first fixing base 1, tailboard 2, bedplate 3, second fixing base 4, connect through first installation axle 10 between first fixing base 1, tailboard 2 and the bedplate 3, be connected through third installation axle 15 between tailboard 2 and the bedplate 3, be connected through fourth installation axle 16 between first fixing base 1 and the bedplate 3, be connected its characterized in that through second installation axle 12 between first fixing base 1 and the second fixing base 4: and a spring adjusting mechanism is arranged on the first fixed seat 1.
A first mounting hole 101 is formed in the side wall of the first fixing seat 1, a first tail plate mounting hole 201 is formed in the side wall of the tail plate 2, a first sliding hole 301 is formed in the side wall of the seat plate 3, a first mounting shaft 10 penetrates through the first mounting hole 101, the first tail plate mounting hole 201 and the first sliding hole 301, and the first fixing seat 1, the tail plate 2 and the seat plate 3 are connected together through the first mounting shaft 10; a second tail plate mounting hole 202 is formed in the side wall of the tail plate 2, a second sliding hole 302 is formed in the side wall of the seat plate 3, a third mounting shaft 15 penetrates between the second tail plate mounting hole 202 and the second sliding hole 302, and the tail plate 2 and the seat plate 3 are connected together through the third mounting shaft 15; a fourth mounting hole 105 is formed in the side wall of the first fixing seat 1, a third sliding hole 303 is formed in the side wall of the seat plate 3, a fourth mounting shaft 16 penetrates between the fourth mounting hole 105 and the third sliding hole 303, and the first fixing seat 1 and the seat plate 3 are connected together through the fourth mounting shaft 16; be equipped with second mounting hole 102 on the lateral wall of first fixing base 1, the bottom of first fixing base 1 is equipped with two sets of first mount pad 103, be equipped with third mounting hole 104 on the first mount pad 103, it is two sets of install second fixing base 4 between the first mount pad 103, be equipped with thirteenth mounting hole 401 on the lateral wall of second fixing base 4, wear to be equipped with second installation axle 12 between second mounting hole 102, third mounting hole 104 and the thirteenth mounting hole 401, second installation axle 12 links together first fixing base 1 and second fixing base 4.
The spring adjusting mechanism comprises a first handle 19, one end of the first handle 19 is inserted into a sixth mounting hole 107 on the side wall of the first fixing seat 1, penetrates through a second mounting seat 108 arranged at the bottom of the first fixing seat 1, and then enters a third mounting seat 1010 arranged at the bottom of the first fixing seat 1, a seventh mounting hole 109 matched with the first handle 19 is arranged on the second mounting seat 108, an eighth mounting hole 1011 matched with the first handle 19 is arranged on the third mounting seat 1010, the seventh mounting hole 109 and the eighth mounting hole 1011 are connected with the first handle 19 through a bearing, a spring adjusting wheel 20 is fixedly connected to the first handle 19 between the second mounting seat 108 and the third mounting seat 1010, the spring adjusting wheel 20 is of a cam structure, spring mounting rails 2001 are respectively arranged at two ends of a wheel surface of the spring adjusting wheel 20, and a first spring adjusting end 1801 for adjusting the spring 18 is arranged on the spring mounting rails 2001, the second spring adjusting end 1802 of the adjusting spring 18 is mounted on the third mounting shaft 15, the adjusting spring 18 is mounted on the fourth mounting shaft 16, the middle portion of the fourth mounting shaft 16 passes through the sixth mounting seat 1019 arranged at the bottom of the first fixing seat 1, and the adjusting spring 18 is mounted between the sixth mounting seat 1019 and the side wall of the first fixing seat 1.
A spring center sleeve 17 is installed between the adjusting spring 18 and the fourth mounting shaft 16.
The middle part of the spring adjusting wheel 20 is provided with a first positioning hole 2002, and the spring adjusting wheel 20 is fixedly connected to the first handle 19 through the first positioning hole 2002.
The beneficial effects of the utility model reside in that: the spring force of the adjusting spring 18 is adjusted by the rotation of the first handle 19, and the spring force of the adjusting spring 18 acts on the fourth mounting shaft 16, so that the back of the swivel chair is adjusted according to the elastic force.
Drawings
FIG. 1 is a first structural assembly diagram of the present invention;
FIG. 2 is a second structural assembly view of the present invention;
fig. 3 is an exploded view of the present invention;
fig. 4 is a second exploded view of the present invention;
fig. 5 is a first schematic structural view of the first fixing base of the present invention;
fig. 6 is a second schematic structural view of the first fixing base of the present invention;
FIG. 7 is a schematic structural view of the seat plate of the present invention;
FIG. 8 is a schematic structural view of the middle tail plate of the present invention;
fig. 9 is a schematic structural view of a second fixing base of the present invention;
FIG. 10 is a schematic structural view of a middle stop swing block according to the present invention;
FIG. 11 is a schematic structural view of a stop sheet according to the present invention;
fig. 12 is a first schematic structural view of a locking wheel of the present invention;
FIG. 13 is a second schematic structural view of a locking wheel of the present invention;
FIG. 14 is a schematic structural view of the middle positioning plate of the present invention;
fig. 15 is a schematic structural view of a positioning plate of the present invention;
fig. 16 is a schematic structural view of a spring adjusting wheel according to the present invention;
fig. 17 is a schematic structural view of an adjusting spring according to the present invention;
fig. 18 is a schematic diagram of the forward tilting movement of the middle seat plate of the present invention;
fig. 19 is a schematic view of the tilting back of the middle tail plate of the present invention.
Shown in the figure: the first fixing seat 1, the tail plate 2, the seat plate 3, the second fixing seat 4, the seat plate handle seat 5, the seat plate handle 6, the fixing frame baffle 7, the positioning screw 8, the serpentine spring 9, the first mounting shaft 10, the first shaft sleeve 11, the second mounting shaft 12, the lifting pressure plate 13, the taper pipe 14, the third mounting shaft 15, the fourth mounting shaft 16, the spring center sleeve 17, the adjusting spring 18, the first handle 19, the spring adjusting wheel 20, the second handle 21, the locking wheel 22, the stop rocking block 23, the stop plate 24, the third handle 25, the stop hexagonal rod 26, the positioning plate 27, the positioning plate 28, the chevron-shaped sleeve 29, the tail plate baffle 30, the seat plate baffle 31, the second shaft sleeve 32, the adjusting bolt 33, the pressure spring 34, the sliding plate 35, the tension spring 36, the positioning assembly 37, the lifting adjusting handle 38, the first mounting hole 101, the second mounting hole 102, the first mounting seat 103, the third mounting hole 104, the fourth mounting hole 105, fifth mounting hole 106, sixth mounting hole 107, second mounting seat 108, seventh mounting hole 109, third mounting seat 1010, eighth mounting hole 1011, ninth mounting hole 1012, first mounting groove 1013, second mounting groove 1014, adjustment hole 1015, fourth mounting seat 1016, tenth mounting hole 1017, spacer mounting groove 1018, sixth mounting seat 1019, eleventh mounting hole 1020, fifth mounting seat 1021, twelfth mounting hole 1022, first tailgate mounting hole 201, second tailgate mounting hole 202, third tailgate mounting hole 203, positioning groove 204, first slide hole 301, second slide hole 302, third slide hole 303, first seat plate mounting hole 304, extension hole 305, second seat plate mounting hole 306, third seat plate mounting hole 307, fourth seat plate mounting hole 308, thirteenth mounting hole 401, fourteenth mounting hole 402, mounting end 403, stop end 404, recess 405, 406 projection, first slide plate mounting hole 501, second skateboard handle seat mounting hole 502, handle mounting hole 601, first lifting blade mounting hole 1301, second lifting blade mounting hole 1302, first spring adjustment end 1801, second spring adjustment end 1802, specific radian 1803, spring mounting rail 2001, first positioning hole 2002, positioning slot 2201, second positioning hole 2202, projection 2203, hexagonal hole 2301, swinging end 2302, insertion hole 2401, sliding positioning hole 2701, sliding groove 2801, sliding groove 3501, positioning tooth socket 3502, tension spring hole 3503, lower positioning ring 3701, upper positioning ring 3702, and positioning screw 3703.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
A spring adjustment mechanism of adjustable swivel chair base, as shown in fig. 1-4, includes first fixing base 1, tailboard 2, bedplate 3, second fixing base 4, connect through first installation axle 10 between first fixing base 1, tailboard 2 and the bedplate 3, connect through third installation axle 15 between tailboard 2 and the bedplate 3, connect through fourth installation axle 16 between first fixing base 1 and the bedplate 3, connect through second installation axle 12 between first fixing base 1 and the second fixing base 4, its characterized in that: and a spring adjusting mechanism is arranged on the first fixed seat 1.
As shown in fig. 4 to 8, a first mounting hole 101 is formed in a side wall of the first fixing seat 1, a first tail plate mounting hole 201 is formed in a side wall of the tail plate 2, a first sliding hole 301 is formed in a side wall of the seat plate 3, a first mounting shaft 10 penetrates through the first mounting hole 101, the first tail plate mounting hole 201 and the first sliding hole 301, and the first mounting shaft 10 connects the first fixing seat 1, the tail plate 2 and the seat plate 3 together; a second tail plate mounting hole 202 is formed in the side wall of the tail plate 2, a second sliding hole 302 is formed in the side wall of the seat plate 3, a third mounting shaft 15 penetrates between the second tail plate mounting hole 202 and the second sliding hole 302, and the tail plate 2 and the seat plate 3 are connected together through the third mounting shaft 15; a fourth mounting hole 105 is formed in the side wall of the first fixing seat 1, a third sliding hole 303 is formed in the side wall of the seat plate 3, a fourth mounting shaft 16 penetrates between the fourth mounting hole 105 and the third sliding hole 303, and the first fixing seat 1 and the seat plate 3 are connected together through the fourth mounting shaft 16; be equipped with second mounting hole 102 on the lateral wall of first fixing base 1, the bottom of first fixing base 1 is equipped with two sets of first mount pad 103, be equipped with third mounting hole 104 on the first mount pad 103, it is two sets of install second fixing base 4 between the first mount pad 103, be equipped with thirteenth mounting hole 401 on the lateral wall of second fixing base 4, wear to be equipped with second installation axle 12 between second mounting hole 102, third mounting hole 104 and the thirteenth mounting hole 401, second installation axle 12 links together first fixing base 1 and second fixing base 4.
Install the second shaft sleeve 32 between first slide opening 301 and the first installation axle 10, install the second shaft sleeve 32 between second slide opening 302 and the third installation axle 15, install the second shaft sleeve 32 between third slide opening 303 and the fourth installation axle 16, the welding has first shaft sleeve 11 on the thirteenth mounting hole 401.
The adjusting hole 1015 is arranged on the side wall of the first fixed seat 1, and the adjusting bolt 33 is in threaded connection with the adjusting hole 1015.
As shown in fig. 19, the adjusting bolt 33 is screwed into the adjusting hole 1015 to allow the adjusting bolt 33 to enter the third sliding hole 303 (in fig. 19) to limit the movement between the tailgate 2 and the seat plate 3, and the adjusting bolt 33 is screwed out of the adjusting hole 1015 to allow the adjusting bolt 33 to exit the third sliding hole 303 (in fig. 19) to release the limitation of the movement between the tailgate 2 and the seat plate 3, thereby adjusting the reclining of the seat.
As shown in fig. 10 and 11, one end of the stop rocking block 23 is provided with a hexagonal hole 2301 matched with the stop hexagonal rod 26, the other end of the stop rocking block 23 is provided with a rocking end 2302 matched with the stop piece 24, and the stop piece 24 is provided with an insertion hole 2401 penetrating the rocking end 2302.
As shown in fig. 18, the position of the stop piece 24 can be changed between the groove 405 and the protrusion 406 by rotating the third handle 25, and when the stop piece 24 contacts the protrusion 406, the stop end 404 contacts the bottom of the first fixing seat 1 (fig. 18 lower), and the first fixing seat 1, the tail plate 2 and the seat plate 3 are prohibited from synchronously tilting forward; when the stop piece 24 contacts the groove 405, the stop end 404 does not contact the bottom of the first fixing seat 1 (fig. 18), allowing the first fixing seat 1, the tail plate 2 and the seat plate 3 to tilt forward synchronously.
The top of bedplate 3 has slide 35 through locating component 37 slidable mounting, be connected with extension spring 36 between bedplate 3 and the slide 35.
The surface of the sliding plate 35 is provided with a sliding groove 3501, the upper surface of the seat plate 3 is provided with a second seat plate mounting hole 306 and a third seat plate mounting hole 307, the sliding groove 3501 is connected with the second seat plate mounting hole 306 and the third seat plate mounting hole 307 through a positioning assembly 37, the positioning assembly 37 comprises a lower positioning ring 3701, an upper positioning ring 3702 and a positioning screw 3703, and the positioning assembly 37 can enable the sliding plate 35 to slide on the seat plate 3.
The surface of slide 35 is equipped with location tooth's socket 3502, the cooperation is connected with bedplate handle 6 in the location tooth's socket 3502.
A tension spring hole 3503 is formed in the middle of the sliding plate 35, a fourth seat plate mounting hole 308 is formed in the seat plate 3, and two ends of the tension spring 36 are mounted on the tension spring hole 3503 and the fourth seat plate mounting hole 308 respectively.
The seat plate handle seat 5 is in a shape of n, the top of the seat plate handle seat is provided with a first sliding plate handle seat mounting hole 501 connected with the seat plate 3, the side wall of the seat plate handle seat is provided with a second sliding plate handle seat mounting hole 502 connected with the seat plate handle 6, and the seat plate handle 6 is provided with a handle mounting hole 601 matched with the second sliding plate handle seat mounting hole 502.
The front end of the first fixing seat 1 is provided with a fixing frame baffle 7, and the side wall of the first fixing seat 1 is provided with an eleventh mounting hole 1020 for mounting the fixing frame baffle 7.
The rear end of the tail plate 2 is provided with a tail plate baffle 30, and the side wall of the tail plate 2 is provided with a third tail plate mounting hole 203 provided with the tail plate baffle 30.
A compression spring 34 is installed between the fourth installation seat 1016 and the second fixed seat 4, and the compression spring 34 is installed on the first installation groove 1013 on the fourth installation seat 1016.
Two the bottom of mount pad 1 between first mount pad 103 is equipped with fifth mounting hole 106, the middle part of second fixing base 4 is equipped with the fourteenth mounting hole 402 corresponding with fifth mounting hole 106, the mid-mounting of fifth mounting hole 106 and fourteenth mounting hole 402 has taper pipe 14, rise step-down piece 13 is installed at the top of taper pipe 14, it goes up and down to be equipped with first lift step-down piece mounting hole 1301 and second lift step-down piece mounting hole 1302 on the step-down piece 13, second lift step-down piece mounting hole 1302 is connected with second fixing base 4, be connected with lift adjustment handle 38 on the first lift step-down piece mounting hole 1301.
As shown in fig. 9, the front ends of the two side walls of the second fixing seat 4 are respectively a mounting end 403 and a stop end 404, the mounting end 403 is connected with a voltage increasing and decreasing plate 13, and the bottom of the rear ends of the two side walls of the second fixing seat 4 is provided with a groove 405 and a protrusion 406.
As shown in fig. 8, the front end of the tail plate 2 is provided with a plurality of positioning grooves 204, the positioning grooves 204 are cooperatively connected with a fixing mechanism, the fixing mechanism includes a second handle 21, one end of the second handle 21 is inserted into a ninth mounting hole 1012 on the sidewall of the first fixing seat 1 and then enters a third mounting seat 1010 arranged at the bottom of the first fixing seat 1, the third mounting seat 1010 is provided with an eighth mounting hole 1011 matched with the end of the second handle 21, the eighth mounting hole 1011 is connected with the second handle 21 through a bearing, the second handle 21 between the sidewall of the first fixing seat 1 and the third mounting seat 1010 is provided with a locking wheel 22, a chevron-shaped sleeve 29 is cooperatively connected below the locking wheel 22, the other end of the locking wheel 22 is connected with a serpentine spring 9, the other end of the serpentine spring 9 is connected with a positioning sheet 27, the positioning sheet 27 is installed on a fifth mounting seat 1021 arranged at the bottom of the first fixing seat 1, rotation of the second handle 21 controls the forward and backward movement of the positioning plate 27 on the fifth mounting seat 1021, so that the positioning plate 27 is inserted into the positioning slot 204 to fix the tail board 2.
As shown in fig. 12 and 13, one end of the locking wheel 22 is an incomplete gear, and has three gear teeth, the middle gear tooth is provided with a positioning groove 2201, one end of the serpentine spring 9 is connected in the positioning groove 2201, the other end of the locking wheel 22 is provided with a second positioning hole 2202, the locking wheel 22 is connected to the second handle 21 through the second positioning hole 2202, the lower end of the locking wheel 22 opposite to the middle gear tooth is provided with a projection 2203, and the projection 2203 is matched with the chevron-shaped sleeve 29 for positioning.
As shown in fig. 14 and 15, a positioning plate installation groove 1018 is formed in the middle of the fifth installation seat 1021, a positioning plate 27 is placed in the positioning plate installation groove 1018, a sliding positioning hole 2701 is formed in the positioning plate 27, a positioning screw 8 is installed in the sliding positioning hole 2701, the other end of the serpentine spring 9 is connected to the positioning screw 8, a positioning plate 28 is installed above the positioning plate 27, a sliding groove 2801 is formed in the middle of the positioning plate 28, and the positioning screw 8 extends out of the sliding groove 2801.
The fifth mounting seat 1021 is provided with a tenth mounting hole 1017 for mounting the positioning plate 28.
The positioning piece 27 can be controlled to move back and forth on the fifth mounting seat 1021 by rotating the second handle 21, so that the positioning piece 27 is inserted into the positioning groove 204 to fix the tail board 2, and the bent-back tail board is positioned at a comfortable position for the user to adjust.
The spring adjusting mechanism comprises a first handle 19, one end of the first handle 19 is inserted into a sixth mounting hole 107 on the side wall of the first fixing seat 1, penetrates through a second mounting seat 108 arranged at the bottom of the first fixing seat 1, and then enters a third mounting seat 1010 arranged at the bottom of the first fixing seat 1, a seventh mounting hole 109 matched with the first handle 19 is arranged on the second mounting seat 108, an eighth mounting hole 1011 matched with the first handle 19 is arranged on the third mounting seat 1010, the seventh mounting hole 109 and the eighth mounting hole 1011 are connected with the first handle 19 through a bearing, a spring adjusting wheel 20 is fixedly connected to the first handle 19 between the second mounting seat 108 and the third mounting seat 1010, the spring adjusting wheel 20 is of a cam structure, spring mounting rails 2001 are respectively arranged at two ends of a wheel surface of the spring adjusting wheel 20, and a first spring adjusting end 1801 for adjusting the spring 18 is arranged on the spring mounting rails 2001, the second spring adjusting end 1802 of the adjusting spring 18 is mounted on the third mounting shaft 15, the adjusting spring 18 is mounted on the fourth mounting shaft 16, the middle portion of the fourth mounting shaft 16 passes through the sixth mounting seat 1019 arranged at the bottom of the first fixing seat 1, and the adjusting spring 18 is mounted between the sixth mounting seat 1019 and the side wall of the first fixing seat 1.
As shown in FIG. 17, the adjustment spring 18 has a spring body with a particular arc 1803 between the spring body and the first and second spring adjustment ends 1801 and 1802.
A spring center sleeve 17 is installed between the adjusting spring 18 and the fourth mounting shaft 16.
As shown in fig. 16, a first positioning hole 2002 is formed in the middle of the spring adjustment wheel 20, and the first positioning hole 2002 fixedly connects the spring adjustment wheel 20 to the first handle 19.
By rotating the first handle 19, the spring force of the adjusting spring 18 is adjusted, and the spring force of the adjusting spring 18 acts on the fourth mounting shaft 16, which makes the adjustment of the swivel chair back more elastic.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a spring adjustment mechanism of adjustable swivel chair base, includes first fixing base (1), tailboard (2), bedplate (3), second fixing base (4), be connected through first installation axle (10) between first fixing base (1), tailboard (2) and bedplate (3), be connected through third installation axle (15) between tailboard (2) and bedplate (3), be connected through fourth installation axle (16) between first fixing base (1) and bedplate (3), be connected through second installation axle (12) between first fixing base (1) and second fixing base (4), its characterized in that: and a spring adjusting mechanism is arranged on the first fixed seat (1).
2. The adjustable swivel chair base spring adjustment mechanism of claim 1, wherein: a first mounting hole (101) is formed in the side wall of the first fixing seat (1), a first tail plate mounting hole (201) is formed in the side wall of the tail plate (2), a first sliding hole (301) is formed in the side wall of the seat plate (3), a first mounting shaft (10) penetrates through the first mounting hole (101), the first tail plate mounting hole (201) and the first sliding hole (301), and the first fixing seat (1), the tail plate (2) and the seat plate (3) are connected together through the first mounting shaft (10); a second tail plate mounting hole (202) is formed in the side wall of the tail plate (2), a second sliding hole (302) is formed in the side wall of the seat plate (3), a third mounting shaft (15) penetrates between the second tail plate mounting hole (202) and the second sliding hole (302), and the tail plate (2) and the seat plate (3) are connected together through the third mounting shaft (15); a fourth mounting hole (105) is formed in the side wall of the first fixing seat (1), a third sliding hole (303) is formed in the side wall of the seat plate (3), a fourth mounting shaft (16) penetrates between the fourth mounting hole (105) and the third sliding hole (303), and the first fixing seat (1) and the seat plate (3) are connected together through the fourth mounting shaft (16); be equipped with second mounting hole (102) on the lateral wall of first fixing base (1), the bottom of first fixing base (1) is equipped with two sets of first mount pad (103), be equipped with third mounting hole (104) on first mount pad (103), it is two sets of install second fixing base (4) between first mount pad (103), be equipped with thirteenth mounting hole (401) on the lateral wall of second fixing base (4), wear to be equipped with second installation axle (12) between second mounting hole (102), third mounting hole (104) and thirteenth mounting hole (401), second installation axle (12) link together first fixing base (1) and second fixing base (4).
3. The adjustable swivel chair base spring adjustment mechanism of claim 1, wherein: the spring adjusting mechanism comprises a first handle (19), one end of the first handle (19) is inserted into a sixth mounting hole (107) in the side wall of the first fixing seat (1) and then penetrates through a second mounting seat (108) arranged at the bottom of the first fixing seat (1) to enter a third mounting seat (1010) arranged at the bottom of the first fixing seat (1), a seventh mounting hole (109) matched with the first handle (19) is formed in the second mounting seat (108), an eighth mounting hole (1011) matched with the first handle (19) is formed in the third mounting seat (1010), the seventh mounting hole (109) and the eighth mounting hole (1011) are connected with the first handle (19) through a bearing, a spring adjusting wheel (20) is fixedly connected to the first handle (19) between the second mounting seat (108) and the third mounting seat (1010), and the spring adjusting wheel (20) is of a cam structure, the wheel face both ends of spring adjustment wheel (20) are equipped with spring mounting track (2001) respectively, install first spring adjustment end (1801) of adjusting spring (18) on spring mounting track (2001), second spring adjustment end (1802) of adjusting spring (18) are installed on third installation axle (15), adjust spring (18) and install on fourth installation axle (16), fourth installation axle (16) middle part is passed sixth mount pad (1019) that first fixing base (1) bottom set up, adjust spring (18) install in sixth mount pad (1019) with between the lateral wall of first fixing base (1).
4. A spring adjustment mechanism for an adjustable swivel chair base as claimed in claim 3, wherein: and a spring center sleeve (17) is arranged between the adjusting spring (18) and the fourth mounting shaft (16).
5. A spring adjustment mechanism for an adjustable swivel chair base as claimed in claim 3, wherein: the middle part of the spring adjusting wheel (20) is provided with a first positioning hole (2002), and the spring adjusting wheel (20) is fixedly connected to the first handle (19) through the first positioning hole (2002).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020356139.0U CN211862324U (en) | 2020-03-19 | 2020-03-19 | Spring adjusting mechanism of adjustable swivel chair base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020356139.0U CN211862324U (en) | 2020-03-19 | 2020-03-19 | Spring adjusting mechanism of adjustable swivel chair base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211862324U true CN211862324U (en) | 2020-11-06 |
Family
ID=73259708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020356139.0U Active CN211862324U (en) | 2020-03-19 | 2020-03-19 | Spring adjusting mechanism of adjustable swivel chair base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211862324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023046052A1 (en) * | 2021-09-27 | 2023-03-30 | 恺博(常熟)座椅机械部件有限公司 | Structure for improving rear impact strength of swivel seat mechanism |
-
2020
- 2020-03-19 CN CN202020356139.0U patent/CN211862324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023046052A1 (en) * | 2021-09-27 | 2023-03-30 | 恺博(常熟)座椅机械部件有限公司 | Structure for improving rear impact strength of swivel seat mechanism |
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