CN215423707U - Novel switch pressure scotch-block - Google Patents
Novel switch pressure scotch-block Download PDFInfo
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- CN215423707U CN215423707U CN202122215731.6U CN202122215731U CN215423707U CN 215423707 U CN215423707 U CN 215423707U CN 202122215731 U CN202122215731 U CN 202122215731U CN 215423707 U CN215423707 U CN 215423707U
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Abstract
The utility model discloses a novel switch pressure stop wheel, which comprises a rotating wheel, an upper bracket and a lower bracket, wherein the upper bracket and the lower bracket are fixed up and down; it is installed on the swivel chair, sits down the swivel chair through the people, can realize the locking, need not the operation in addition, pushes the extension when it moreover, and the back locating piece stretches out for it can guarantee that the wheel body can not the locking, guarantees its normal roll, realizes dual usage pattern, satisfies different use needs.
Description
The technical field is as follows:
the utility model relates to the technical field of seat parts, in particular to a novel switch pressure stop wheel.
Background art:
set up the runner under present swivel chair is very general design, set up the swivel chair into in addition, can be convenient at the activity of minizone, receive liking of user deeply, but when people sat down, the runner of swivel chair can slide certain distance, thereby influence people's use, consequently need one kind as long as the people just can stop the runner rotation when sitting on the swivel chair, improve the practicality of swivel chair, and present runner needs manual control to press its relevant locking switch or steps on its locking switch with the foot, it is fixed, it is with manual operation, need the people to bow the operation, need the foot to step on with foot operation, all very troublesome, and is inefficient, when stepping on with the foot, too hard also makes locking device damaged easily, influence the use.
The utility model has the following contents:
the utility model aims to overcome the defects of the prior art and provides a novel switch pressure stop wheel which is arranged on a swivel chair, can realize locking by sitting down the swivel chair by people without additional operation, has good effect and high efficiency, can ensure that a wheel body can not be locked by pushing an extension part in, ensures that the wheel body normally rolls, realizes double use modes, meets different use requirements, is fixed by an upper bracket and a lower bracket, is convenient to disassemble, maintain and maintain, has simple components, is convenient to manufacture and reduces the manufacturing cost.
The scheme for solving the technical problems is as follows:
a novel switch pressure scotch wheel comprises a runner, an upper bracket and a lower bracket, wherein the upper bracket and the lower bracket are fixed up and down, limit switch blocks are sleeved in the upper bracket and the lower bracket, the limit switch blocks are installed in the upper bracket and the lower bracket, a central through groove is formed in the middle of each limit switch block, a positioning plastic part is sleeved in the central through groove, a transverse through hole is formed in the lower part of the positioning plastic part, a rotating shaft is sleeved in the transverse through hole, and two ends of the rotating shaft extend out of vertical waist-shaped through holes formed in left and right side plates of the upper bracket and are fixed with two wheel bodies;
a vertical hole is formed in the middle of the top end of the positioning plastic part, a buffer spring is inserted in the vertical hole in a sleeved mode, the bottom end of the buffer spring is stressed on the bottom surface of the vertical hole, an upper extending column extending downwards is formed on the bottom surface of the top plate body of the upper support, the upper portion of the buffer spring extends out of the top end of the vertical hole and is inserted in the upper extending column in a sleeved mode, and the top end of the buffer spring is stressed on the bottom surface of the top plate body of the upper support;
the bottom surface middle part shaping of lower carriage has the lower jack, and the brake cushion is in the bottom surface department of lower carriage, and the top surface middle part shaping of brake cushion has the connection cylinder, connects the cylinder card and puts in the lower jack.
Furthermore, the top surface of the bottom plate of the lower support is formed with a reinforcing part extending upwards, and the top end of the lower insertion hole extends upwards to extend out of the top surface of the reinforcing part.
Furthermore, a lower connecting hole extending downwards is formed in the top surface of the upper bracket, the lower part of the upper mandrel is inserted into the lower connecting hole, and the top connecting part of the upper mandrel extends out of the top surface of the lower connecting hole.
Furthermore, an annular groove is formed on the outer side wall of the lower part of the upper mandrel, the lower sealing ring is clamped in the annular groove, and the outer side wall of the lower sealing ring is pressed against the inner side wall of the lower connecting hole.
Further, the upper outer side wall of the upper mandrel is formed with a radially extending edge, the bottom surface of the radially extending edge is pressed against the top surface of the upper support, an upper annular groove is formed on the outer side wall of the top connecting part of the upper mandrel, and an upper annular sealing ring is nested in the upper annular groove.
Furthermore, an upper slot is formed in the middle of the bottom surface of the front wall plate and the bottom surface of the rear wall plate of the upper support, a lower slot is formed in the middle of the top surface of the front wall plate of the lower support, the upper slot and the lower slot of the front wall plate of the upper support are aligned up and down, an extension part formed in the front part of the limit switch block is inserted and sleeved in the corresponding upper slot and the corresponding lower slot, and the outer wall surface of the extension part is tightly attached to or close to the inner wall surface of the corresponding upper slot and the inner wall surface of the corresponding lower slot;
and a rear positioning block formed at the rear part of the limit switch block is inserted and sleeved in the upper slot at the rear part of the upper bracket, and the outer wall surface of the rear positioning block is tightly attached or close to the inner wall surface of the corresponding upper slot and the top surface of the rear wall plate of the lower bracket.
Furthermore, the middle part of the bottom surface of the top plate of the upper support is provided with a limiting part extending downwards, the lower part of the limiting part is positioned in the central through groove of the limiting switch block body, and the limiting part is positioned between the front wall surface of the central through groove and the positioning plastic part.
Furthermore, the middle parts of the bottom surfaces of the left side plate and the right side plate of the limit switch block body are formed with guide grooves, the two guide grooves are positioned at the left side and the right side of the positioning plastic part, the rotating shaft corresponds to the two guide grooves, and the guide grooves correspond to the corresponding vertical waist-shaped through holes.
Furthermore, long clamping grooves are formed in the bottom surfaces of the left side plate and the right side plate of the upper support, protruding strips are formed in the top surfaces of the left side plate and the right side plate of the lower support, the protruding strips are clamped in the corresponding long clamping grooves, and the bottom surfaces of the side plates of the upper support and the top surfaces of the side plates of the lower support are pressed against each other.
The utility model has the following outstanding effects:
compared with the prior art, it is installed on the swivel chair, sits down the swivel chair through the people, can realize the locking, need not the operation in addition, and it is effectual, efficient, push the extension when it moreover, the rear locating piece stretches out for it can guarantee that the wheel body can not the locking, guarantees its normal roll, realizes dual usage pattern, satisfies different user needs, and it adopts upper bracket and lower carriage fixed, conveniently dismantles the maintenance and maintenance, and each part is simple, and convenient for manufacture reduces manufacturing cost.
Description of the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of an alternate angle partial structure of FIG. 1;
FIG. 3 is an exploded schematic view of the present invention;
fig. 4 is a partial cross-sectional view of the present invention.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings and specific preferred embodiments so that the advantages and features of the present invention can be more readily understood by those skilled in the art, and these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention.
In the embodiment, as shown in fig. 1 to 4, a novel switch pressure stop wheel comprises a rotating wheel 10, an upper bracket 20 and a lower bracket 30, wherein the upper bracket 20 and the lower bracket 30 are fixed up and down, a limit switch block 40 is inserted into the upper bracket 20 and the lower bracket 30, the limit switch block 40 is installed in the upper bracket 20 and the lower bracket 30, a central through groove is formed in the middle of the limit switch block 40, a positioning plastic part 50 is inserted into the central through groove, the left and right side walls of the positioning plastic part 50 are tightly attached to the left and right side inner walls of the central through groove, a transverse through hole is formed in the lower part of the positioning plastic part 50, a rotating shaft 60 is inserted into the transverse through hole, and two ends of the rotating shaft 60 extend out of vertical waist-shaped through holes 21 formed in the left and right side plates of the upper bracket 20 and are fixed with two wheel bodies 10;
a vertical hole 51 is formed in the middle of the top end of the positioning plastic part 50, a buffer spring 52 is inserted in the vertical hole 51, the bottom end of the buffer spring 52 is stressed on the bottom surface of the vertical hole 51, an upper extending column 22 extending downwards is formed on the bottom surface of the top plate body of the upper bracket 20, the upper portion of the buffer spring 52 extends out of the top end of the vertical hole 51 and is inserted in the upper extending column 22, and the top end of the buffer spring 52 is stressed on the bottom surface of the top plate body of the upper bracket 20;
Further, the top surface of the bottom plate of the lower bracket 30 is formed with a reinforcement portion 32 extending upward, and the top end of the lower insertion hole 31 extends upward to protrude out of the top surface of the reinforcement portion 32.
Further, a lower coupling hole 23 extending downward is formed on the top surface of the upper bracket 20, the lower portion of the upper spindle 24 is inserted into the lower coupling hole 23, and the top coupling portion of the upper spindle 24 protrudes out of the top surface of the lower coupling hole 23.
Further, an annular groove is formed on the lower outer side wall of the upper mandrel 24, the lower sealing ring 241 is clamped in the annular groove, and the outer side wall of the lower sealing ring 241 is pressed against the inner side wall of the lower connecting hole 23.
Further, the upper outer side wall of the upper mandrel 24 is formed with a radially extending edge 242, the bottom surface of the radially extending edge 242 is pressed against the top surface of the upper bracket 20, the outer side wall of the top connecting portion of the upper mandrel 24 is formed with an upper annular groove, and an upper annular sealing ring 243 is nested in the upper annular groove.
Furthermore, an upper slot 25 is formed in the middle of the bottom surface of the front wall plate and the bottom surface of the rear wall plate of the upper bracket 20, a lower slot 33 is formed in the middle of the top surface of the front wall plate of the lower bracket 30, the upper slot 25 and the lower slot 33 of the front wall plate of the upper bracket 20 are aligned up and down, an extension part 41 formed in the front part of the limit switch block 40 is inserted and sleeved in the corresponding upper slot 25 and the corresponding lower slot 33, and the outer wall surface of the extension part 41 is tightly attached to or close to the inner wall surface of the corresponding upper slot 25 and the inner wall surface of the corresponding lower slot 33;
a rear positioning block 42 formed at the rear of the limit switch block 40 is inserted into the upper insertion groove 25 at the rear of the upper bracket 20, and the outer wall surface of the rear positioning block 42 is closely attached to or close to the inner wall surface of the corresponding upper insertion groove 25 and the top surface of the rear wall plate of the lower bracket 30.
Further, a downwardly extending limiting portion 26 is formed in the middle of the bottom surface of the top plate of the upper bracket 20, the lower portion of the limiting portion 26 is located in the central through groove of the limit switch block 40, and the limiting portion 26 is located between the front wall surface of the central through groove and the positioning plastic part 50.
Further, guide grooves 43 are formed in the middle of the bottom surfaces of the left side plate and the right side plate of the limit switch block 40, the two guide grooves 43 are located at the left side and the right side of the positioning plastic part 50, the rotating shaft 60 corresponds to the two guide grooves 43, and the guide grooves 43 correspond to the corresponding vertical kidney-shaped through holes 21.
Further, elongated slots are formed in the bottom surfaces of the left and right side plates of the upper bracket 20, protruding strips 34 are formed in the top surfaces of the left and right side plates of the lower bracket 30, the protruding strips 34 are clamped in the corresponding elongated slots, and the bottom surfaces of the side plates of the upper bracket 20 and the top surfaces of the side plates of the lower bracket 30 are pressed against each other.
In this embodiment, the upper bracket 20 and the lower bracket 30 are convenient to detach, and the internal components are convenient to mount, detach, repair and maintain, which is very convenient.
And each part has simple structure, convenient manufacture and low cost.
In the embodiment, when the seat is used, the top connecting part of the upper mandrel 24 is clamped to the bottom connecting end of the seat, when the seat is used, the rear positioning block 42 is pressed, so that the front end of the extending part 41 extends out of the corresponding upper slot 25 and the lower slot 33, at the moment, the position of the guide slot 43 moves, so that the rear positioning block is not positioned right above the rotating shaft 60, the rotating shaft 60 is positioned at the bottom surfaces of the left side plate and the right side plate of the limit switch block 40, at the moment, when a person sits on the seat, the pressure generated by the person compresses the buffer spring 52, so that the bottom surfaces of the left side plate and the right side plate of the limit switch block 40 are pressed on the rotating shaft 60, at the moment, the upper bracket 20 and the lower bracket 30 cannot descend, the brake rubber pad 80 cannot be on the ground, the wheel body 70 can be ensured to normally roll, and the seat can be pushed regardless of any state;
when people need to sit on the chair to lock and get up, the chair can be pushed, and in this mode, it can push the extension 41, so that the front ends thereof are inserted into the corresponding upper and lower slots 25 and 33, and then the outer end of the positioning block 42 extends out of the rear of the upper bracket 20, and at this time, the rotating shaft 60 is positioned right below the two guide grooves 43, and at this time, when a person sits on the seat, the pressure generated by the pressure causes the buffer spring 52 to be compressed, so that the upper and lower brackets 20 and 30 are lowered, the rotation shaft 60 is inserted into the guide groove 43, so that the brake rubber pad 80 is pressed against the ground, the wheel body 10 can not rotate and move, the locking is realized, and after a person stands up, the upper bracket 20 and the lower bracket 30 are lifted by the restoring force of the buffer spring 52, and the wheel body 70 can roll to push the seat, so that the effect is good, and the embodiment can meet different use requirements.
The above embodiments are only for illustrating the utility model and are not to be construed as limiting the utility model, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, therefore, all equivalent technical solutions also belong to the scope of the utility model, and the scope of the utility model is defined by the claims.
Claims (9)
1. The utility model provides a novel switch pressure scotch block, includes runner (10), upper bracket (20) and lower carriage (30), its characterized in that: the upper support (20) and the lower support (30) are fixed up and down, a limit switch block (40) is inserted in the upper support (20) and the lower support (30), the limit switch block (40) is installed in the upper support (20) and the lower support (30), a central through groove is formed in the middle of the limit switch block (40), a positioning plastic part (50) is inserted in the central through groove, a transverse through hole is formed in the lower part of the positioning plastic part (50), a rotating shaft (60) is inserted in the transverse through hole, and two ends of the rotating shaft (60) extend out of vertical waist-shaped through holes (21) formed in the left side plate and the right side plate of the upper support (20) and are fixed with two rotating wheels (10);
a vertical hole (51) is formed in the middle of the top end of the positioning plastic part (50), the buffer spring (52) is inserted in the vertical hole (51), the bottom end of the buffer spring (52) is stressed on the bottom surface of the vertical hole (51), an upper extending column (22) extending downwards is formed on the bottom surface of the top plate body of the upper support (20), the upper portion of the buffer spring (52) extends out of the top end of the vertical hole (51) and is inserted in the upper extending column (22), and the top end of the buffer spring (52) is stressed on the bottom surface of the top plate body of the upper support (20);
the bottom surface middle part shaping of lower carriage (30) has lower jack (31), and brake rubber mat (80) are in the bottom surface department of lower carriage (30), and the top surface middle part shaping of brake rubber mat (80) has connection cylinder (81), connects cylinder (81) card and puts in lower jack (31).
2. The novel switching pressure scotch-block of claim 1 wherein: and a reinforcing part (32) extending upwards is formed on the top surface of the bottom plate of the lower support (30), and the top end of the lower insertion hole (31) extends upwards to extend out of the top surface of the reinforcing part (32).
3. The novel switching pressure scotch-block of claim 1 wherein: a lower connecting hole (23) extending downwards is formed in the top surface of the upper support (20), the lower portion of the upper mandrel (24) is inserted into the lower connecting hole (23), and the top connecting portion of the upper mandrel (24) extends out of the top surface of the lower connecting hole (23).
4. The novel switching pressure scotch-block of claim 3 wherein: an annular groove is formed on the outer side wall of the lower part of the upper mandrel (24), the lower sealing ring (241) is clamped in the annular groove, and the outer side wall of the lower sealing ring (241) is pressed against the inner side wall of the lower connecting hole (23).
5. The novel switching pressure scotch-block of claim 3 wherein: the upper outer side wall of the upper mandrel (24) is formed with a radial extension edge (242), the bottom surface of the radial extension edge (242) is pressed against the top surface of the upper bracket (20), an upper annular groove is formed on the outer side wall of the top connecting part of the upper mandrel (24), and an upper annular sealing ring (243) is nested in the upper annular groove.
6. The novel switching pressure scotch-block of claim 1 wherein: an upper slot (25) is formed in the middle of the bottom surface of the front wall plate and the bottom surface of the rear wall plate of the upper support (20), a lower slot (33) is formed in the middle of the top surface of the front wall plate of the lower support (30), the upper slot (25) and the lower slot (33) of the front wall plate of the upper support (20) are aligned up and down, an extension part (41) formed in the front of a limit switch block body (40) is inserted into the corresponding upper slot (25) and the corresponding lower slot (33), and the outer wall surface of the extension part (41) is tightly attached to or close to the inner wall surface of the corresponding upper slot (25) and the inner wall surface of the corresponding lower slot (33);
a rear positioning block (42) formed at the rear part of the limit switch block body (40) is inserted and sleeved in the upper slot (25) at the rear part of the upper bracket (20), and the outer wall surface of the rear positioning block (42) is tightly attached to or close to the inner wall surface of the corresponding upper slot (25) and the top surface of the rear wall plate of the lower bracket (30).
7. The novel switching pressure scotch-block of claim 1 wherein: the bottom surface middle part shaping of the roof of upper bracket (20) has spacing portion (26) of downwardly extending, and the lower part of spacing portion (26) is in the central logical groove of limit switch block (40), and spacing portion (26) are in between the preceding wall surface of central logical groove and location plastic part (50).
8. The novel switching pressure scotch-block of claim 1 wherein: guide grooves (43) are formed in the middle of the bottom surfaces of the left side plate and the right side plate of the limit switch block body (40), the two guide grooves (43) are located at the left side and the right side of the positioning plastic part (50), the rotating shaft (60) corresponds to the two guide grooves (43), and the guide grooves (43) correspond to the corresponding vertical waist-shaped through holes (21).
9. The novel switching pressure scotch-block of claim 1 wherein: rectangular clamping grooves are formed in the bottom surfaces of the left side plate and the right side plate of the upper support (20), protruding strips (34) are formed in the top surfaces of the left side plate and the right side plate of the lower support (30), the protruding strips (34) are clamped in the corresponding rectangular clamping grooves, and the bottom surfaces of the side plates of the upper support (20) and the top surfaces of the side plates of the lower support (30) are pressed against each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122215731.6U CN215423707U (en) | 2021-09-14 | 2021-09-14 | Novel switch pressure scotch-block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122215731.6U CN215423707U (en) | 2021-09-14 | 2021-09-14 | Novel switch pressure scotch-block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215423707U true CN215423707U (en) | 2022-01-07 |
Family
ID=79699755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122215731.6U Active CN215423707U (en) | 2021-09-14 | 2021-09-14 | Novel switch pressure scotch-block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215423707U (en) |
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2021
- 2021-09-14 CN CN202122215731.6U patent/CN215423707U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: 523660 Room 403, building 5, Jinbi Huating, Lucheng North Road, Qingxi Town, Dongguan City, Guangdong Province Patentee after: Wei Yuling Address before: 015013 No. 7, group 1, Wulan village, ganzhaomiao Town, Linhe District, Bayannur City, Inner Mongolia Autonomous Region Patentee before: Wei Yuling |