CN212608885U - Elevator buffer seat - Google Patents
Elevator buffer seat Download PDFInfo
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- CN212608885U CN212608885U CN202021161304.3U CN202021161304U CN212608885U CN 212608885 U CN212608885 U CN 212608885U CN 202021161304 U CN202021161304 U CN 202021161304U CN 212608885 U CN212608885 U CN 212608885U
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- supporting column
- support column
- height
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Abstract
The utility model relates to an elevator buffer seat, which comprises a base, a lifting platform connected with the base in a sliding way and a supporting column meshed with the base; the base comprises a first base and a second base, the first base and the second base are fixedly connected, a ratchet groove is arranged between the first base and the second base, and the cross section of the ratchet groove is similar to the teeth on the surface of a ratchet; the support column is arranged in the ratchet groove, a plurality of pawls are uniformly distributed on the surface of the support column, and the pawls are matched with the ratchet groove. The utility model discloses have the operator and can simulate the height of whole buffer seat through the height of adjusting the elevating platform according to the condition of job site, make the buffer clearance meet the demands, after the support column is bounced to the spring, the operator can rise the threaded rod from the inside of support column through rotatory threaded rod to the height of fine setting support column makes it reach the effect of anticipated height.
Description
Technical Field
The utility model belongs to the technical field of the technique of elevator equipment and specifically relates to an elevator buffer seat is related to.
Background
Because the height of the elevator buffer and the position of the car bottom buffer plate are specific, in order to control the distance between the elevator buffer and the car bottom buffer plate (called buffer clearance in the industry) to meet the requirement, the buffer seat is additionally arranged below the buffer seat in the pit of the elevator shaft to adjust the buffer clearance. At present, an elevator buffer seat configured in a pit is designed and manufactured before an elevator leaves a factory, an elevator shaft is a building project, and the depth of the pit in the elevator shaft has more or less size deviation, so that the problem that the depth of the pit in an elevator installation site is not consistent with the design of an original buffer seat in size often exists, a buffer gap cannot meet installation requirements, and safety risk is brought.
Chinese patent with publication number CN204138082U discloses a buffer seat for use in an elevator shaft, which comprises an upper seat part and a lower seat part which are connected with each other, wherein the upper seat part comprises a first steel plate and a first connecting pipe which are fixedly connected with each other, the lower seat part comprises a second steel plate and a second connecting pipe which are fixedly connected with each other, the second steel plate is fixedly installed in a pit of the elevator shaft, the first and second connecting pipe parts have a first end part and a second end part which are sleeved with each other, a buffer is arranged on the first steel plate, and the distance between the first steel plate and the second steel plate is adjustable.
The above prior art solutions have the following drawbacks: after the gap between the first steel plate and the second steel plate is adjusted, the first connecting pipe fitting and the second connecting pipe fitting are fixed by the hexagon bolts, and because the first steel plate and the second steel plate are fixed by the hexagon bolts, a plurality of connecting holes are required to be drilled on the first connecting pipe fitting and the second connecting pipe fitting in advance, the height of the buffer seat is difficult to flexibly adjust according to the actual construction site, or the punching operation is carried out on the construction site, and then the first connecting pipe fitting and the second connecting pipe fitting are fixed by the hexagon bolts; this kind of structure and fixed mode operation process are comparatively loaded down with trivial details, and the clearance between first steel sheet and the second steel sheet can not be adjusted wantonly to it guarantees the clearance between first steel sheet and the second steel sheet to be difficult for the accuracy.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, one of the purposes of the utility model is to provide a can be according to job site adjustment buffer height, convenient operation, fix a position accurate elevator buffer seat.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
an elevator buffer base comprises a base, a lifting platform connected with the base in a sliding mode and a supporting column meshed with the base;
the base comprises a first base and a second base, the first base and the second base are fixedly connected, a ratchet groove is arranged between the first base and the second base, and a plurality of ratchets are longitudinally arranged in the ratchet groove;
the support column is arranged in the ratchet groove, a plurality of pawls are uniformly distributed on the surface of the support column, and the pawls are matched with the ratchet groove.
By adopting the technical scheme, the supporting column can only move upwards in one direction, when the supporting column bears a downward force, the pawl on the supporting column can be clamped in the ratchet groove to limit the supporting column to enable the supporting column not to move downwards, and when the supporting column is actually used, an operator only needs to lift the supporting column to a required height.
The present invention may be further configured in a preferred embodiment as: and a torsion spring is arranged between the supporting column and the pawl.
Through adopting above-mentioned technical scheme, the torsional spring can provide the required elasticity that resets for the pawl, makes the pawl unanimously keep hugging closely the inner wall in ratchet groove, prevents that the pawl breaks away from the ratchet inslot and leads to becoming invalid.
The present invention may be further configured in a preferred embodiment as: the first base and the second base are both provided with a lifting groove; two lifting columns are arranged on the lifting platform and are positioned in the two lifting grooves.
By adopting the technical scheme, an operator can simulate the height of the whole buffer seat by adjusting the height of the lifting platform according to the field condition on the construction site, so that the buffer gap meets the requirement.
The present invention may be further configured in a preferred embodiment as: the first base and the second base are provided with limiting bolts at the upper parts of the lifting grooves, and the limiting bolts are in threaded connection with the first base and the second base and are abutted to the lifting columns.
Through adopting above-mentioned technical scheme, after the altitude mixture control of elevating platform is suitable, screw up spacing bolt and fix the elevating platform.
The present invention may be further configured in a preferred embodiment as: and a spring is arranged between the supporting column and the base.
Through adopting above-mentioned technical scheme, the elasticity of spring can be with the height of support column bounce-up to needs, need not the manpower with the support column pull-up, convenient operation.
The present invention may be further configured in a preferred embodiment as: the base further comprises a positioning pin, positioning holes are formed in the bottoms of the side faces of the supporting column and the base, and the positioning pin is inserted into the positioning holes of the supporting column and the base to fix the position of the supporting column.
Through adopting above-mentioned technical scheme, when having prevented that the adjustment elevating platform height of earlier stage, the support column bounces in advance under the effect of spring, disturbs work in earlier stage, fixes the support column with the locating pin, finishes the back at the altitude mixture control of elevating platform, pulls out the locating pin, and the support column can be automatic bounced under the effect of spring.
The present invention may be further configured in a preferred embodiment as: the supporting column top still is provided with the threaded rod, the top of threaded rod and the lower surface butt of elevating platform, the supporting column top is provided with the screw hole, threaded rod and screw hole threaded connection, threaded rod, screw hole and supporting column are coaxial.
By adopting the technical scheme, after the spring bounces the supporting column, the height of the supporting column may not reach the expected height, and an operator can raise the threaded rod from the inside of the supporting column by rotating the threaded rod, so that the height of the supporting column is finely adjusted to reach the expected height.
The present invention may be further configured in a preferred embodiment as: and a hexagonal nut is arranged at the top end of the threaded rod.
By adopting the technical scheme, an operator can rotate the threaded rod by using a proper tool to rotate the hexagonal nut.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the support column and the base are arranged in a manner that the support column can only move upwards in one direction in a manner that the pawl is meshed with the ratchet groove, when the support bears downward force, the pawl on the support column can be clamped in the ratchet groove to limit the support column from moving downwards, and when the support is actually used, an operator only needs to lift the support column to a required height;
2. in a construction site, an operator can simulate the height of the whole buffer seat by adjusting the height of the lifting platform according to the site condition, so that the buffer gap meets the requirement, and after the height of the lifting platform is properly adjusted, the lifting platform is fixed by screwing the limiting bolt;
3. after the spring bounces the support post, the height of the support post may not reach the desired height, and the operator can rotate the threaded rod to lift the threaded rod from the inside of the support post, thereby finely adjusting the height of the support post to reach the desired height.
Drawings
Fig. 1 is a schematic front view of the structure of the present embodiment.
Fig. 2 is a schematic side view of the structure of the present embodiment.
FIG. 3 is a schematic sectional view of the A-plane of the present embodiment.
FIG. 4 is a schematic sectional view of the B-side of the present embodiment.
In the figure, 1, a base, 11, a first base, 12, a second base, 13, a ratchet groove, 14, a lifting groove, 15, a limiting bolt, 16, a positioning pin, 2, a lifting platform, 21, a lifting column, 3, a supporting column, 31, a pawl, 32, a torsion spring, 33, a threaded rod, 4 and a spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an elevator buffer seat, including base 1, with base 1 sliding connection's elevating platform 2 and with base 1 meshing's support column 3. Base 1 includes first base 11 and second base 12, and is the same at first base 11 and second base 12 structure, for the semicircle column, and its both sides of connecting the face respectively are equipped with an ear, are equipped with the screw hole on the ear, and first base 11 and second base 12 pass ear and nut fixed connection through the bolt.
Referring to fig. 2, a ratchet groove 13 is formed in the first base 1 at a middle position of the connecting surface, and the shape of the ratchet groove 13 is similar to that of a ratchet wheel, and four stages are provided, and the direction is inclined upward. A plurality of pawls 31 are uniformly distributed on the side surface of the support column 3, the pawls 31 are obliquely arranged downwards on the support column 3, four layers are uniformly distributed on the upper part of the support column along the axial direction, and four pawls are uniformly distributed on each layer along the circumferential direction of the support column 3 and are meshed with the ratchet groove 13; the pawl 31 is hinged with the support column 3, a torsion spring 32 is further arranged on the hinged shaft of the pawl 31 and the support column 3, one branch of the torsion spring 32 is in contact with the support column 3, the other branch of the torsion spring is in contact with the pawl 31, the pawl 31 can be always in contact with the ratchet groove 13 under the action of the torsion spring 32 and is clamped in the ratchet groove 13, and the support column 3 cannot descend.
The first base 11 and the second base 12 are both provided with a lifting groove 14 in the vertical direction, the lifting platform 2 is provided with two lifting columns 21, and the lifting columns 21 are arranged in the lifting groove 14 and are in clearance fit with each other; the first base 11 and the second base 12 are respectively provided with a threaded hole at the upper part of the lifting groove 14, the threaded holes are provided with a limit bolt 15 matched with the threaded holes, and the limit bolts 15 are screwed down to be abutted against the lifting column 14, so that the height of the lifting platform 2 can be fixed.
The spring 4 is arranged at the bottom of the ratchet groove 13, the support column 3 is directly placed on the spring 4, the length of the spring 4 is equal to the stroke of the embodiment, in the initial state of the embodiment, the height of the support column 3 is the lowest, the spring 4 is in a compressed state, the side surfaces of the first base 11 and the second base 12 are respectively provided with a positioning hole, the corresponding position of the bottom of the side surface of the support column 3 is also provided with a positioning hole, a positioning pin 16 is arranged inside the positioning hole, the positioning pin 16 can be pulled out, and after the positioning pin 16 is pulled out, the support column 3 is bounced under the action of the spring 4.
The top end of the supporting column 3 is provided with a threaded hole, a threaded rod 33 matched with the threaded hole is arranged in the threaded hole, and the top of the threaded rod 33 is provided with a hexagonal nut. The operator finely adjusts the height of the support column 3 by raising the threaded rod 33 by rotating the hexagonal nut using a tool.
The implementation principle of the embodiment is as follows: the elevator buffer is welded on the lifting platform 2 of the embodiment, in an initial state, the supporting columns 3 of the springs 4 are compressed, the height of the lifting platform 2 is adjusted according to the condition of a construction site, and after the height of the lifting platform 2 is properly adjusted, the limiting bolts 15 are abutted against the lifting rods 21, so that the lifting platform 2 is fixed; after the elevating platform 2 is adjusted, the fixing pin 16 is pulled out, the supporting column 3 is bounced by the spring 4, the supporting column 3 stops rising after encountering the elevating platform 2, the height of the supporting column 3 is finely adjusted by rotating a hexagonal nut at the top of the upper threaded rod 33 of the supporting column 3, and when the threaded rod 33 cannot rotate, fine adjustment is finished.
The support column and the base are arranged in a manner that the support column can only move upwards in one direction in a manner that the pawl is meshed with the ratchet groove, when the support is supported to bear downward force, the pawl on the support column can be clamped in the ratchet groove to limit the support column from moving downwards, and when the support is actually used, an operator only needs to lift the support column to a required height.
In a construction site, an operator can simulate the height of the whole buffer seat by adjusting the height of the lifting platform according to the site condition, so that the buffer gap meets the requirement, and after the height of the lifting platform is properly adjusted, the lifting platform is fixed by screwing the limiting bolt. After the spring bounces the support post, the height of the support post may not reach the desired height, and the operator can rotate the threaded rod to lift the threaded rod from the inside of the support post, thereby finely adjusting the height of the support post to reach the desired height.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. An elevator buffer base, characterized in that: comprises a base (1), a lifting platform (2) which is connected with the base (1) in a sliding way and a supporting column (3) which is engaged with the base (1);
the base (1) comprises a first base (11) and a second base (12), the first base (11) and the second base (12) are fixedly connected, a ratchet groove (13) is formed in the middle of the connecting surface of the first base (11) and the second base (12), and a plurality of ratchet teeth are longitudinally arranged in the ratchet groove (13);
the support column (3) is arranged in the ratchet groove (13), a plurality of pawls (31) are uniformly hinged to the surface of the support column (3), and the pawls (31) are matched with the ratchet groove (13).
2. The elevator buffer seat of claim 1, wherein: and a torsion spring (32) is arranged between the supporting column (3) and the pawl (31).
3. The elevator buffer seat of claim 1, wherein: the first base (11) and the second base (12) are respectively provided with a lifting groove (14); two lifting columns (21) are arranged on the lifting platform (2), and the two lifting columns (21) are positioned in the two lifting grooves (14).
4. The elevator buffer seat of claim 3, wherein: the first base (11) and the second base (12) are provided with limiting bolts (15) at the upper parts of the lifting grooves (14), and the limiting bolts (15) are in threaded connection with the first base (11) and the second base (12) and are abutted against the lifting columns (21).
5. The elevator buffer seat of claim 1, wherein: and a spring (4) is arranged between the supporting column (3) and the base (1).
6. The elevator buffer seat of claim 1, wherein: the base (1) further comprises a positioning pin (16), positioning holes are formed in the bottoms of the side faces of the supporting column (3) and the base (1), and the positioning pin (16) is inserted into the positioning holes of the supporting column (3) and the base (1) to fix the position of the supporting column (3).
7. The elevator buffer seat of claim 2, wherein: the supporting column (3) top still is provided with threaded rod (33), the top of threaded rod (33) and the lower surface butt of elevating platform (2), supporting column (3) top is provided with the screw hole, threaded rod (33) and screw hole threaded connection, threaded rod (33), screw hole and supporting column (3) are coaxial.
8. The elevator buffer seat of claim 7, wherein: the top of threaded rod (33) is equipped with the hexagon nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161304.3U CN212608885U (en) | 2020-06-20 | 2020-06-20 | Elevator buffer seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161304.3U CN212608885U (en) | 2020-06-20 | 2020-06-20 | Elevator buffer seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212608885U true CN212608885U (en) | 2021-02-26 |
Family
ID=74756311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021161304.3U Active CN212608885U (en) | 2020-06-20 | 2020-06-20 | Elevator buffer seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212608885U (en) |
-
2020
- 2020-06-20 CN CN202021161304.3U patent/CN212608885U/en active Active
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