CN213711537U - Detachable expansion bolt - Google Patents
Detachable expansion bolt Download PDFInfo
- Publication number
- CN213711537U CN213711537U CN202022256874.7U CN202022256874U CN213711537U CN 213711537 U CN213711537 U CN 213711537U CN 202022256874 U CN202022256874 U CN 202022256874U CN 213711537 U CN213711537 U CN 213711537U
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- adjusting screw
- sliding
- sleeve
- cavity
- ground tackle
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Abstract
The utility model discloses a can dismantle expansion bolts belongs to fastening technical field, including adjusting screw and sleeve, be provided with the slip cavity in the sleeve, adjusting screw run through to in the slip cavity and with sleeve threaded connection, be provided with the ground tackle in the slip cavity, telescopic side set up run through to in the slip cavity and with the sliding opening of ground tackle looks adaptation, ground tackle and sliding opening sliding connection, sliding connection has the gliding regulating part of drive ground tackle in the slip cavity, the regulating part is connected with adjusting screw. The utility model discloses a can dismantle expansion bolts utilizes the regulating part to make ground tackle not with mounting hole lateral wall butt for outside sleeve ability roll-off mounting hole, make expansion bolts can carry out a lot of utilization like this, improve the utilization ratio of resource.
Description
Technical Field
The utility model relates to a fastening technical field specifically is a can dismantle expansion bolts.
Background
The expansion bolt is generally applied to building construction and decoration engineering, building materials and decoration materials can be effectively connected with a mounting surface or the ground through the expansion bolt, and the expansion bolt in the current market mainly achieves the anchoring effect by means of expansion of an expansion pipe.
However, most of the metal sleeves sleeved outside the expansion bolts are deformed after the expansion bolts are installed, and the metal sleeves are fixed on the ground or the wall and are not easy to detach, so that the expansion bolts cannot be used for the second time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem among the prior art, and the detachable expansion bolt who provides utilizes the regulating part to make ground tackle not with mounting hole lateral wall butt for outside sleeve ability roll-off mounting hole, make expansion bolt can carry out a lot of utilization like this, improve the utilization ratio of resource.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a can dismantle expansion bolts, includes adjusting screw and sleeve, be provided with the slip cavity in the sleeve, adjusting screw runs through to in the slip cavity and with sleeve threaded connection, be provided with the ground tackle in the slip cavity, telescopic side is seted up and is run through to in the slip cavity and with the slip mouth of ground tackle looks adaptation, ground tackle and slip mouth sliding connection, sliding connection has the gliding regulating part of drive ground tackle in the slip cavity, the regulating part is connected with adjusting screw.
Through adopting above-mentioned technical scheme, under the initial condition, the ground tackle can stretch into to the slip cavity because the drive of regulating part in, make the ground tackle can not stretch out outside the sliding opening, when needs installation expansion bolts, with the sleeve slip to in the mounting hole, rotate adjusting screw, make the regulating part slide, the ground tackle can slide towards the direction of keeping away from the slip cavity because of the drive of regulating part, make ground tackle and mounting hole lateral wall butt, ground tackle and mounting hole lateral wall can form frictional force, make the sleeve fix in the mounting hole, thereby accomplish expansion bolts's installation, and when needs dismantlement expansion bolts, rotate adjusting screw and change the position of regulating part, utilize the regulating part to make ground tackle not with mounting hole lateral wall butt, make the sleeve can the roll-off outside the mounting hole, make expansion bolts can carry out reuse like this, improve the utilization ratio of resource.
The utility model discloses further set up to: the adjusting part comprises a sliding block, one end of the anchorage device, facing the sliding cavity, is fixedly connected with an inclined guide block, an included angle is formed between the inclined guide block and the anchorage device, the opening direction of the included angle deviates from the adjusting screw rod, an inclined guide groove matched with the inclined guide block is formed in the side face of the sliding block, and the inclined guide block is connected with the inclined guide groove in a sliding mode.
Through adopting above-mentioned technical scheme, during the installation expansion bolts, rotate adjusting screw for the slider slides towards the direction of keeping away from adjusting screw, utilizes to cooperate between oblique guide slot and the oblique guide block, and the ground tackle can slide towards the direction of keeping away from the slip cavity, makes the ground tackle stretch out to outside the sleeve, and the ground tackle can keep the butt with the lateral wall of mounting hole under the promotion of slider.
The utility model discloses further set up to: the sliding block is abutted against the adjusting screw rod, a spring is arranged in the sliding cavity, and two ends, far away from each other, of the spring are respectively connected with the sliding block and the sliding cavity.
Through adopting above-mentioned technical scheme, when installation expansion bolts, rotate adjusting screw, can increase adjusting screw like this and be located the length of sliding cavity, thereby increase the butt to the sliding block, make the sliding block towards the direction that is close to the spring slide, and the spring can produce deformation, and when expansion bolts was dismantled to needs, the adjusting screw was rotated in the opposite direction, reduced adjusting screw and be located the length of sliding cavity, and the position of sliding block can reset because of the elasticity of spring.
The utility model discloses further set up to: the number of the anchorage devices is at least two, and the anchorage devices are symmetrically arranged by taking the adjusting screw rod as a center.
Through adopting above-mentioned technical scheme, can ensure the force stability between expansion bolts and the installing hole lateral wall like this to ensure the stability of being connected between expansion bolts and the mounting hole, and can increase the stress area between expansion bolts and the mounting hole lateral part like this, further increase expansion bolts and the stability of being connected between the mounting hole.
The utility model discloses further set up to: one end of the sleeve, which is far away from the adjusting screw rod, is of a hemispherical structure.
Through adopting above-mentioned technical scheme, the sleeve is hemispherical structure's one end can provide certain guide for expansion bolts's the slip-in mounting hole time to increase user's operation convenience.
To sum up, the utility model discloses following beneficial effect has: when expansion bolts are dismantled, adjusting screw is rotated, the position of adjusting screw and slider looks butt is changed, the slider can slide towards the direction that is close to adjusting screw because of the elasticity of spring, utilize the cooperation between oblique guide block and the oblique guide slot, the ground tackle can slide towards the slip cavity, remove the butt between ground tackle and the installing port, make the sleeve slide in can following the installing port, thereby accomplish expansion bolts's dismantlement, make expansion bolts can carry out reuse like this, improve the utilization ratio of resource.
Drawings
Fig. 1 is a first schematic structural view of a detachable expansion bolt according to the present invention, which mainly shows a structure when an adjusting screw is rotated;
fig. 2 is a schematic structural diagram ii of the detachable expansion bolt according to the present invention, which mainly shows the structure of the adjusting screw rod when it is not rotated.
In the figure: 1. adjusting the screw rod; 2. a sleeve; 3. a sliding cavity; 4. a sliding port; 5. an anchorage device; 6. a slider; 7. an inclined guide block; 8. an inclined guide groove; 9. a spring.
Detailed Description
In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention.
A detachable expansion bolt comprises an adjusting screw rod 1 and a sleeve 2, wherein a sliding cavity 3 is arranged in the sleeve 2, the adjusting screw rod 1 penetrates into the sliding cavity 3 and is in threaded connection with the sleeve 2, an anchorage device 5 is arranged in the sliding cavity 3, a sliding opening 4 which penetrates into the sliding cavity 3 and is matched with the anchorage device 5 is formed in the side surface of the sleeve 2, the anchorage device 5 is in sliding connection with the sliding opening 4, an adjusting piece which drives the anchorage device 5 to slide is connected in the sliding cavity 3 in a sliding manner, the adjusting piece is connected with the adjusting screw rod 1 and comprises a sliding block 6, one end, facing the sliding cavity 3, of the anchorage device 5 is fixedly connected with an inclined guide block 7, an included angle is formed between the inclined guide block 7 and the anchorage device 5, the opening direction of the included angle deviates from the adjusting screw rod 1, an inclined guide groove 8 matched with the inclined guide block 7 is formed in the side surface of the sliding block 6, and the inclined guide block 7 is, by means of the cooperation of the inclined guide block 7 and the inclined guide groove 8, the anchor 5 will slide in a direction away from the sliding cavity 3 when the slider 6 slides in a direction away from the adjusting screw 1, and the anchor 5 will slide in a direction towards the sliding cavity 3 when the slider 6 slides in a direction towards the adjusting screw 1.
As shown in fig. 1 and 2, the adjusting screw 1 abuts against the slider 6, the sliding cavity 3 is internally provided with a spring 9, two ends of the spring 9, which are far away from each other, are respectively connected with the slider 6 and the sliding cavity 3, when the expansion bolt is not installed, the slider 6 can keep an abutting state with the adjusting screw 1 due to the elasticity of the spring 9, and the anchorage device 5 can not extend out of the sliding opening 4 due to the matching of the inclined guide block 7 and the inclined guide groove 8, so that the anchorage device 5 can not influence the sliding of the sleeve 2 into the installation hole, when the expansion bolt needs to be installed, the sleeve 2 is slid into the installation hole, then the adjusting screw 1 is rotated to increase the length of the adjusting screw 1 in the sliding cavity 3, thereby increasing the abutting pressure on the slider 6, the slider 6 can slide towards the direction close to the spring 9 due to the stress, and the spring 9 can deform due to the stress, and the matching between the inclined guide, anchor 5 can be towards keeping away from the direction slip outside slip cavity 3 for anchor 5 stretches out outside slip mouth 4, and anchor 5 can keep the butt because the butt of slider 6 and mounting hole lateral wall, and anchor 5 and mounting hole lateral wall can form frictional force, make sleeve 2 fix in the mounting hole, thereby accomplish expansion bolts's installation.
And when expansion bolts need to be dismantled, adjusting screw 1 is rotated, the position of adjusting screw 1 and slider 6 looks butt is changed, slider 6 can slide towards the direction that is close to adjusting screw 1 because of the elasticity of spring 9, utilize the cooperation between oblique guide block 7 and the oblique guide slot 8, ground tackle 5 can slide towards sliding cavity 3, remove the butt between ground tackle 5 and the installing port, make sleeve 2 slide in the installing port, thereby accomplish expansion bolts's dismantlement, make expansion bolts can carry out reuse like this, improve the utilization ratio of resource.
As shown in fig. 1 and 2, the one end of the sleeve 2 departing from the adjusting screw 1 is a hemispherical structure, the one end of the sleeve 2 with the hemispherical structure can provide certain guide for the expansion bolt to slide into the mounting hole, thereby increasing the operation convenience of a user, wherein, the anchorage device 5 is arranged at least two by taking the adjusting screw 1 as central symmetry, thus ensuring the stress stability between the expansion bolt and the side wall of the mounting hole, ensuring the connection stability between the expansion bolt and the mounting hole, and increasing the stress area between the expansion bolt and the side part of the mounting hole, further increasing the connection stability between the expansion bolt and the mounting hole.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. A can dismantle expansion bolts which characterized in that: comprises an adjusting screw rod (1) and a sleeve (2), wherein a sliding cavity (3) is arranged in the sleeve (2), the adjusting screw rod (1) penetrates into the sliding cavity (3) and is in threaded connection with the sleeve (2), an anchorage device (5) is arranged in the sliding cavity (3), a sliding port (4) which penetrates into the sliding cavity (3) and is matched with the anchorage device (5) is arranged on the side surface of the sleeve (2), the anchorage device (5) is in sliding connection with the sliding port (4), an adjusting piece which drives the anchorage device (5) to slide is connected in the sliding cavity (3) in a sliding way, the adjusting piece is connected with the adjusting screw rod (1) and comprises a sliding block (6), one end of the anchorage device (5) facing into the sliding cavity (3) is fixedly connected with an inclined guide block (7), and an included angle is formed between the inclined guide block (7) and the anchorage device (5), its contained angle opening direction deviates from adjusting screw (1), the oblique guide slot (8) with oblique guide block (7) looks adaptation is seted up to the side of slider (6), guide block (7) and oblique guide slot (8) sliding connection to one side, slider (6) and adjusting screw (1) looks butt, be provided with spring (9) in slip cavity (3), the both ends that spring (9) kept away from each other are connected with slider (6) and slip cavity (3) respectively.
2. A removable expansion bolt according to claim 1, wherein: the number of the anchorage devices (5) is at least two, and the anchorage devices are symmetrically arranged by taking the adjusting screw rod (1) as a center.
3. A removable expansion bolt according to claim 1, wherein: one end of the sleeve (2) departing from the adjusting screw rod (1) is of a hemispherical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022256874.7U CN213711537U (en) | 2020-10-12 | 2020-10-12 | Detachable expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022256874.7U CN213711537U (en) | 2020-10-12 | 2020-10-12 | Detachable expansion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213711537U true CN213711537U (en) | 2021-07-16 |
Family
ID=76797585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022256874.7U Active CN213711537U (en) | 2020-10-12 | 2020-10-12 | Detachable expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213711537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232496A (en) * | 2021-12-30 | 2022-03-25 | 刘丽花 | Waterproof fastening device is used in public road bridge roof beam construction that portable warning effect is good |
-
2020
- 2020-10-12 CN CN202022256874.7U patent/CN213711537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232496A (en) * | 2021-12-30 | 2022-03-25 | 刘丽花 | Waterproof fastening device is used in public road bridge roof beam construction that portable warning effect is good |
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