CN212003848U - Bushing and pipe head - Google Patents
Bushing and pipe head Download PDFInfo
- Publication number
- CN212003848U CN212003848U CN202020553587.XU CN202020553587U CN212003848U CN 212003848 U CN212003848 U CN 212003848U CN 202020553587 U CN202020553587 U CN 202020553587U CN 212003848 U CN212003848 U CN 212003848U
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- pipe
- bushing
- tube
- wall
- half clamp
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Abstract
The utility model discloses a bushing and a pipe head, wherein the bushing comprises a body made of elastic materials, the body is a tubular structure with an oval section, the outer parts of the pipe walls on the two sides of the long axis of the body are respectively provided with a positioning bulge, the pipe walls on the two sides of the short axis of the body are respectively provided with a plurality of V-shaped grooves, and the V-shaped grooves are arranged at the upper and lower ends of the corresponding pipe walls and are arranged in a vertically staggered manner; the pipe head comprises a pipe seat and a pipe clamp; the bushing is positioned and installed inside the pipe clamp. The middle bushing of the utility model can recover and expand and push away the movable half clamp in the pipe clamp outwards at the same time, and the upper pipe of the bracket can be taken out or the height of the upper pipe of the bracket can be adjusted without completely dismounting the screwing nut; in addition, the bushing is also provided with a positioning bulge, so that positioning assembly of the bushing and the pipe head can be ensured, and the bushing cannot rotate in the pipe head.
Description
Technical Field
The utility model relates to a support body pipe connector, especially a bush and tube head.
Background
The musical instrument support frame mainly comprises foot rest and support top tube etc. the foot rest includes landing leg and support bottom tube, the landing leg generally is three and the equipartition supports around the support bottom tube, the support bottom tube passes through the tube head and is connected with the support top tube, wherein the tube head need the design have dismantled and assembled locking structure so that the equipment or the height control of support top tube, can be equipped with the outer wall of bush in order to be used for protecting the support top tube on tube head inner chamber upper portion (or locking structure's inner chamber), current bush is simple circular body only, functional structure is single, and locking structure generally all adopts bolt locking, when the support top tube needs the adjustment, must pull down the bolt completely earlier and just can open locking structure, later adjust again, accommodation process is loaded down with trivial details, difficult operation, the user has influenced the use impression of product, the competitiveness of product has been reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned technical problem and provide a simple structure is reasonable and use convenient bush and tube head.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a lining, includes the body of being made by elastic material, the body is oval tubular structure for the cross-section, is equipped with a location arch respectively in the pipe wall outside of body major axis both sides, and it has a plurality of V type grooves to open respectively on the pipe wall of body minor axis both sides, and wherein V type groove is opened at the upper and lower both ends of corresponding pipe wall, and the V type groove opening of opening at corresponding pipe wall upper end sets up, and the V type groove opening of opening at corresponding pipe wall lower extreme sets up down, and opens the V type groove mutual interval ground dislocation set at corresponding pipe wall upper end and lower extreme.
Furthermore, the two positioning bulges are symmetrically arranged and are integrally manufactured with the body,
further, two the location arch is arc strip structure and sets up along body outer wall circumference with matcing.
Furthermore, the V-shaped grooves formed at the upper end and the lower end of the corresponding pipe wall are staggered at equal intervals.
Furthermore, the pipe walls on two sides of the short shaft of the body are respectively provided with three V-shaped grooves, wherein one V-shaped groove is arranged at the upper end of the corresponding pipe wall, and the other two V-shaped grooves are arranged at the lower end of the corresponding pipe wall, so that the corresponding pipe wall is in an M shape.
Furthermore, two V-shaped grooves are respectively formed in the pipe walls on the two sides of the short shaft of the body, one V-shaped groove is formed in the upper end of the corresponding pipe wall, and the other V-shaped groove is formed in the lower end of the corresponding pipe wall, so that the corresponding pipe wall is in an N shape.
Furthermore, the body is made of plastic.
A pipe head is internally provided with the lining.
Further, the tube head comprises a tube seat and a tube clamp;
a middle hole which penetrates through the tube seat up and down is formed in the tube seat, is arranged at the upper end of the bottom tube of the bracket in a matching way through the middle hole and is locked by a jackscrew;
the pipe clamp comprises a fixed half clamp and a movable half clamp, the fixed half clamp is fixedly connected to one side of the upper end of the pipe seat, one ends of the fixed half clamp and the movable half clamp are hinged, the other ends of the fixed half clamp and the movable half clamp respectively extend outwards and form a wing plate, the two wing plates are locked together through bolts and screwing nuts, a circular through hole is formed in the middle of the fixed half clamp and the movable half clamp after assembly, the circular through hole is coaxially arranged with a middle hole of the pipe seat, and a positioning groove is formed in the inner wall of each of the fixed half clamp and the movable half clamp; the bushing is installed in the circular through hole in a matching mode through the positioning assembly of the two positioning protrusions and the two positioning grooves, and one side of the short shaft of the bushing faces to an opening between the two locked wing plates.
Furthermore, a memory block groove is formed in the upper end of the inner wall of the fixed half clamp, a radial through notch is formed in the upper end of the lining, and the notch and the memory block groove are correspondingly arranged so that the memory block can be smoothly installed in the memory block groove.
The utility model has the advantages that: the utility model discloses a bush and tube head that uses rather than cooperation, the bush has elasticity and is oval tubular structure, it makes the bush shrink to still open V type groove on the bush casing pipe wall, place the bush on tube head inner chamber upper portion, can extrude the bush into circular body and overlap on the support top tube after the tube head is pressed from both sides tightly, when the support top tube needs the adjustment or dismantles, after the tube head is become flexible, the bush can recover and expand and open and push away the activity half card outwards at the same time, need not lift off completely and revolve to twist the nut and can take out the support top tube or carry out height control to the support top tube; in addition, the bushing is also provided with a positioning bulge, so that positioning assembly of the bushing and the pipe head can be ensured, and the bushing cannot rotate in the pipe head.
Drawings
Fig. 1 is a schematic perspective view of a bushing according to the present invention;
fig. 2 is a schematic front view of the bushing of the present invention;
fig. 3 is a schematic top view of the bushing of the present invention;
fig. 4 is a right-side view structural schematic diagram of the middle bushing of the present invention;
FIG. 5 is a schematic top view of the bushing and the tube head of the present invention;
fig. 6 is a left side view schematic diagram of the tube head of the present invention;
fig. 7 is a rear view schematic diagram of the middle tube head of the present invention.
The novel memory block comprises a body 11, a positioning bulge 12, a V-shaped groove 13, a notch 14, a pipe seat 21, a threaded hole 211, a fixed half clamp 22, a memory block groove 221, a movable half clamp 23, a wing plate 24, a bolt 25 and a screwing nut 26.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 to 7, the bushing and the tube head of the present invention are installed on the upper portion of the inner cavity of the tube head for protecting the upper tube of the support.
As shown in fig. 1 to 4, a bushing includes a body 11, the body 11 is a tubular structure with an oval cross-section, and the body 11 is made of plastic, specifically, nylon 6.
The outer portions of the pipe walls on two sides of the long axis of the body 11 are respectively provided with a positioning protrusion 12, the two positioning protrusions 12 are symmetrically arranged and integrally manufactured with the body 11, and the two positioning protrusions 12 are of arc-shaped strip structures and are arranged along the circumferential direction of the outer wall of the body 11 in a matching mode.
The pipe walls on two sides of the short shaft of the body 11 are respectively provided with a plurality of V-shaped grooves 13, the V-shaped grooves 13 are arranged at the upper end and the lower end of the corresponding pipe wall, the openings of the V-shaped grooves arranged at the upper end of the corresponding pipe wall are upward, the openings of the V-shaped grooves arranged at the lower end of the corresponding pipe wall are downward, and the V-shaped grooves arranged at the upper end of the corresponding pipe wall and the V-shaped grooves arranged at the lower end of the corresponding pipe wall are staggered at equal intervals. The V-groove 13 is designed to allow the bushing to extend and contract.
Preferably, three V-shaped grooves 13 are respectively formed on the tube walls on both sides of the short axis of the body 11, wherein one V-shaped groove is formed at the upper end of the corresponding tube wall, and the other two V-shaped grooves are formed at the lower end of the corresponding tube wall, so that the corresponding tube wall is M-shaped, as shown in fig. 2. In addition, two V-shaped grooves 13 can be respectively formed on the pipe walls on the two sides of the short shaft of the body, wherein one V-shaped groove is formed in the upper end of the corresponding pipe wall, and the other V-shaped groove is formed in the lower end of the corresponding pipe wall, so that the corresponding pipe wall is in an N shape.
As shown in fig. 5 to 7, a pipe head having the above-mentioned bush mounted therein includes a pipe socket 21 and a pipe clip.
The tube seat 21 is hollow and is provided with a middle hole which penetrates through the tube seat up and down, the tube seat 21 is arranged at the upper end of the bottom tube of the support through the middle hole, the back part of the tube seat 21 is also provided with a threaded hole 211, and a jackscrew is connected in the threaded hole 211 and locks the tube seat 21 and the bottom tube of the support.
The pipe clamp comprises a fixed half clamp 22 and a movable half clamp 23; the fixed half-clamp 22 is fixedly connected with one side of the upper end of the tube seat 21 and the two can be integrally manufactured or fixed by adopting a welding mode; one ends of the fixed half clamp 22 and the movable half clamp 23 are hinged through a pin shaft, the other ends of the fixed half clamp and the movable half clamp respectively extend outwards and respectively form a wing plate 24, the two wing plates 24 are locked together through a bolt 25 and a screwing nut 26, an end cap is formed at one end of the bolt 25, the bolt 25 sequentially penetrates through the wing plates on the fixed half clamp 22 and the movable half clamp 23 to extend out and is connected with the screwing nut 26, the end cap of the bolt 25 is abutted against the wing plates on the fixed half clamp 22, and the screwing nut 26 is locked on the wing plates on the movable half clamp 23; after locking assembly, a circular through hole is formed between the fixed half clamp 22 and the movable half clamp 23, the circular through hole and the middle hole of the tube seat 21 are coaxially arranged, the circular through hole is used for assembling the bushing, positioning grooves are respectively formed on the inner walls of the fixed half clamp 22 and the movable half clamp 23, and the two positioning grooves are used for being matched with the two positioning protrusions 12 on the bushing.
The bushing is mounted in the circular through hole in a matching manner through the positioning assembly of the two positioning protrusions and the two positioning grooves, and one side of the short shaft of the bushing faces the opening between the two locked wing plates 24 after assembly. The nut 26 is rotated in a forward rotating mode, after the pipe clamp is locked, the pipe walls on the two sides of the long shaft of the bushing are inwards contracted by clamping force, the V-shaped grooves 13 on the pipe walls on the two sides of the short shaft of the bushing are extruded, the V-shaped grooves 13 are contracted, and the bushing is extruded into a circular pipe body and is tightly sleeved on the upper pipe of the bracket; the nut 26 is reversely screwed, after the pipe clamp is loosened, the V-shaped groove 13 on the bushing begins to expand and pushes the pipe walls on two sides of the long axis of the bushing to move outwards, so that the movable half clamp 23 can be pushed outwards, and the upper pipe of the bracket can be taken out or the height of the upper pipe of the bracket can be adjusted without completely dismounting the screwed nut 26; in addition, the design of the positioning bulge can ensure the positioning assembly of the lining and the pipe head, and simultaneously ensure that the lining cannot rotate in the pipe head.
The upper end of the inner wall of the fixed half card 22 is provided with a memory block groove 221, the upper end of the lining sleeve is provided with a notch 14 which penetrates in the radial direction, and the notch 14 and the memory block groove 221 are correspondingly arranged so that the memory block can be smoothly arranged in the memory block groove 221; generally, a memory block is fixedly connected to the upper support tube, positioning and assembly of the upper support tube and the tube head can be quickly realized through positioning and installation of the memory block and the memory block groove 221, and the assembled upper support tube can be installed at the same position as the last assembly without height and angle adjustment.
In summary, the present invention is not limited to the above embodiments, and those skilled in the art can provide other embodiments within the technical teaching of the present invention, but these embodiments are included in the scope of the present invention.
Claims (10)
1. The utility model provides a bush, includes the body of being made by elastic material, its characterized in that, the body is oval tubular structure for the cross-section, is equipped with a location arch respectively in the pipe wall outside of body major axis both sides, has opened a plurality of V type grooves respectively on the pipe wall of body minor axis both sides, and wherein V type groove is opened at the upper and lower both ends of corresponding pipe wall, and the V type groove opening of opening at corresponding pipe wall upper end sets up upwards, and the V type groove opening of opening at corresponding pipe wall lower extreme sets up downwards, and opens the V type groove dislocation set mutually at corresponding pipe wall upper end and lower extreme mutually spaced.
2. The bushing of claim 1 wherein two of said locating tabs are symmetrically disposed and are integrally formed with the body.
3. The bushing of claim 1 or 2, wherein the two positioning protrusions are both of arc-shaped strip structures and are arranged along the circumferential direction of the outer wall of the body in a matching manner.
4. A liner as claimed in claim 1, wherein the V-grooves in the upper and lower ends of the respective walls are offset from one another at equal intervals.
5. The bushing of claim 4, wherein the tube walls on both sides of the minor axis of the body are respectively provided with three V-shaped grooves, one of the V-shaped grooves is provided at the upper end of the corresponding tube wall, and the other two V-shaped grooves are provided at the lower end of the corresponding tube wall, so that the corresponding tube wall is M-shaped.
6. The bushing of claim 4, wherein the tube walls on both sides of the short axis of the body are respectively provided with two V-shaped grooves, one V-shaped groove is formed at the upper end of the corresponding tube wall, and the other V-shaped groove is formed at the lower end of the corresponding tube wall, so that the corresponding tube wall is in an N shape.
7. The bushing of claim 1 wherein said body is formed of plastic.
8. A pipe head, characterized in that a liner as claimed in any one of claims 1 to 7 is fitted inside the pipe head.
9. A tube head according to claim 8, comprising a tube base and a tube clip;
a middle hole which penetrates through the tube seat up and down is formed in the tube seat, is arranged at the upper end of the bottom tube of the bracket in a matching way through the middle hole and is locked by a jackscrew;
the pipe clamp comprises a fixed half clamp and a movable half clamp, the fixed half clamp is fixedly connected to one side of the upper end of the pipe seat, one ends of the fixed half clamp and the movable half clamp are hinged, the other ends of the fixed half clamp and the movable half clamp respectively extend outwards and form a wing plate, the two wing plates are locked together through bolts and screwing nuts, a circular through hole is formed in the middle of the fixed half clamp and the movable half clamp after assembly, the circular through hole is coaxially arranged with a middle hole of the pipe seat, and a positioning groove is formed in the inner wall of each of the fixed half clamp and the movable half clamp; the bushing is installed in the circular through hole in a matching mode through the positioning assembly of the two positioning protrusions and the two positioning grooves, and one side of the short shaft of the bushing faces to an opening between the two locked wing plates.
10. A tube head according to claim 9, wherein the inner wall of the fixing half clip is provided at an upper end thereof with a groove for a memory block, and the bushing is provided at an upper end thereof with a radially extending notch corresponding to the groove for the memory block to be smoothly mounted in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553587.XU CN212003848U (en) | 2020-04-15 | 2020-04-15 | Bushing and pipe head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553587.XU CN212003848U (en) | 2020-04-15 | 2020-04-15 | Bushing and pipe head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212003848U true CN212003848U (en) | 2020-11-24 |
Family
ID=73414874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020553587.XU Active CN212003848U (en) | 2020-04-15 | 2020-04-15 | Bushing and pipe head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212003848U (en) |
-
2020
- 2020-04-15 CN CN202020553587.XU patent/CN212003848U/en active Active
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| GR01 | Patent grant |