CN213342910U - Bolt formula fixing device and bolt formula communication rack group - Google Patents
Bolt formula fixing device and bolt formula communication rack group Download PDFInfo
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- CN213342910U CN213342910U CN202022009910.XU CN202022009910U CN213342910U CN 213342910 U CN213342910 U CN 213342910U CN 202022009910 U CN202022009910 U CN 202022009910U CN 213342910 U CN213342910 U CN 213342910U
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Abstract
The utility model provides a bolt formula fixing device and bolt formula communication rack group, include: the bolt comprises a bolt body and an elastic protruding part, wherein the elastic protruding part is arranged on the pin shaft and extends out of the through hole on the pin shaft in a normal state to be in a protruding state, a protruding part of the elastic protruding part is in extrusion contact with the inner diameter of the connecting hole and is compressed towards the inside of the through hole until the protruding part is wholly immersed into the through hole, the process that the pin shaft penetrates through the connecting hole is not limited by the protruding part any more, and in the process, the inner diameter of the connecting hole always covers the through hole, namely the protruding part is always wholly immersed into the through hole; under the next operating mode, after the round pin axle passed the fixed orifices, the internal diameter of connecting hole no longer covered the through-hole, then outstanding part also no longer received the extrusion, and elastic component of elasticity protruding portion resumes elastic deformation to pop out outstanding part at the through-hole, the elasticity protruding portion is spacing with the bottom surface counterbalance of connecting hole, realizes communication rack quick assembly disassembly.
Description
Technical Field
The utility model belongs to the technical field of communication equipment, specifically speaking relates to a bolt formula fixing device and bolt formula communication rack group.
Background
A large number of communication cabinets are arranged in a communication machine room, and the communication cabinets are arranged on site, namely the cabinets are conveyed to the site, placed on a pallet and then fixed with the pallets finally through press riveting and screws.
However, the above-described assembly method in the prior art has the following technical problems:
1) the fixing mode of firstly pressing and riveting and then screwing screws is complex in process, large in workload, long in installation time and large in installation cost;
2) further, if the cabinet needs to be transported, the communication cabinet according to the existing fixing mode still has the problem of great difficulty in disassembly;
in view of this, the prior art should be improved to solve the technical problem that the communication cabinet is not easy to be disassembled and assembled in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide one kind and have the structure of simplifying and easily realize to can realize quick assembly disassembly between communication rack and the pallet, thereby show bolt formula fixing device and bolt formula communication rack group that improves communication rack field installation efficiency.
For solving above technical problem, the utility model discloses a bolt formula fixing device who takes, fixing device includes: the bolt comprises a bolt body and a bolt body, wherein the bolt body comprises a pin head and a pin shaft connected with the pin head; the elastic protruding part is arranged on the pin shaft and extends out of the through hole on the pin shaft in a normal state to be in a protruding state, and in a use state, the elastic protruding part is stressed and is integrally pressed into the through hole to be in a compressed state.
Preferably, the elastic protrusion comprises an elastic member and a protrusion member, the protrusion member is located at an end of the elastic member, wherein the elastic member is located in the pin shaft, and an outer diameter of the protrusion member is circular.
Further preferably, the pin shaft includes a plurality of through holes, and the elastic protrusion includes a plurality of protruding members, wherein the protruding members correspond to the through holes one to one.
Still further preferably, a plurality of the through holes are equally spaced along the pin wall surface.
Correspondingly, the utility model also provides a bolt formula communication rack group of the above-mentioned bolt formula fixing device of application as fixed mode, this communication rack group includes: a pallet arranged on the surface of the supporting surface; the communication cabinet comprises a pallet, wherein bolt holes are formed in the positions of the edge of the top side of the pallet and the edge of the bottom side of the communication cabinet and are respectively defined as a first bolt hole and a second bolt hole, the openings of the first bolt hole and the second bolt hole are consistent with the pin shaft outlines of the bolt type fixing devices, and the projections of the hole centers of the first bolt hole and the second bolt hole in the horizontal direction are overlapped.
Preferably, in the latch type fixing device, the length of the latch is greater than the height difference of the first latch hole and the second latch hole in the vertical direction, and after the latch type fixing device passes through the first latch hole and the second latch hole, the elastic part of the latch type fixing device is abutted against the bottom surface of the top side edge of the pallet to form a limit position.
Due to the adoption of the technical scheme, the utility model discloses compare in prior art and have following beneficial technological effect:
1. the utility model provides a bolt formula fixing device at first, is the disjunctor structure that comprises round pin head and round pin axle, sells epaxial at least one through-hole that forms, and an elasticity protruding portion telescopically sets up in the through-hole to be outstanding state under the normality, from the through-hole outstanding. When the bolt type fixing device is inserted into a connecting hole of installation equipment, the bolt type fixing device is converted into a use state, in the use state, the protruding part of the elastic protruding part is in extrusion contact with the inner diameter of the connecting hole and is compressed towards the inside of the through hole until the protruding part is wholly immersed into the through hole, the process that the pin shaft penetrates through the connecting hole is not limited by the protruding part, and in the process, the inner diameter of the connecting hole always covers the through hole, namely the protruding part is always wholly immersed into the through hole; under the next working condition, after the whole pin shaft penetrates through the fixing hole, the inner diameter of the connecting hole does not cover the through hole, the protruding part is not extruded any more, the elastic part of the elastic protruding part recovers elastic deformation, the protruding part is ejected out of the through hole, the elastic protruding part recovers a normal state, and at the moment, the elastic protruding part abuts against the bottom surface of the connecting hole for limiting, so that the installation of the plug pin type fixing device and the connecting hole is realized;
2. the elastic protruding part comprises an elastic component arranged in the bolt and a protruding component which is positioned at the end part of the elastic component and extends out of the through hole, the outer diameter of the protruding component is circular, the elastic component is arranged into a mode that a plurality of elastic components are connected with a fixing piece, so that a plurality of elastic protruding parts can be formed on the pin shaft, and in order to improve the stability of the elastic protruding parts after the elastic protruding parts are limited, the elastic protruding parts can be distributed on the annular shaft wall of the pin shaft at equal angular intervals;
3. the bolt type fixing device has wide applicability and low manufacturing cost, and can be applied to the fixed setting environment of various large cabinets and pallets;
4. based on the bolt type fixing device, the utility model discloses also provide a bolt type communication cabinet group that utilizes this bolt type fixing device to fix correspondingly, the communication cabinet is placed on the pallet, and the edge position of the side edge of the bottom of the communication cabinet and the edge position of the side edge of the top surface of the pallet form corresponding first bolt hole and second bolt hole, then the bolt type fixing device forms the spacing installation with the pallet after passing through the first bolt hole and the second bolt hole successively; the mode that riveting is firstly carried out and then screw fixing is carried out in the prior art is replaced, the installation process of the communication cabinet is obviously simplified, the installation efficiency of the cabinet is improved, and the assembly cost of the cabinet is reduced;
5. during disassembly, force towards the direction of the pin shaft is applied to the protruding part of the bolt type fixing device only, the protruding part is made to sink into the through hole, the limiting and fixing relation between the bolt type fixing device and the pallet can be eliminated, the fixing device is separated from the first bolt hole and the second bolt hole, the disassembly process is completed, and the disassembly and assembly efficiency of the communication cabinet is remarkably improved.
Drawings
Fig. 1 is a schematic view illustrating the structure of a latch type fixing device according to a preferred embodiment of the present invention;
fig. 2 is a schematic view showing the structure of a latch type communication cabinet set using a latch type fixing device according to still another preferred embodiment of the present invention;
fig. 3 is a schematic view illustrating the structure of the pallet in the latching type fixing device shown in fig. 2;
fig. 4 is a partially enlarged schematic view showing an enlarged structure of a portion a of fig. 2;
fig. 5 is a partially enlarged schematic view showing a structure of the cotter-type fixing device of fig. 4 for limit fixing.
Detailed Description
Embodiments of a latch type fixing device and a latch type communication cabinet set according to the present invention will be described below with reference to the accompanying drawings. Those of ordinary skill in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Furthermore, in the present description, the drawings are not to scale and like reference numerals refer to like parts.
It should be noted that, in the embodiments of the present invention, the expressions "first" and "second" are used for distinguishing two entities with the same name but different names or different parameters, and it can be seen that "first" and "second" are only used for convenience of description and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe this any more.
The utility model discloses a preferred embodiment is loaded down with trivial details to communication rack installation under the prior art, and is with high costs, and the problem of inefficiency is proposed. The utility model discloses a bolt formula fixing device has earlier been proposed. Fig. 1 is a schematic view showing the structure of a latch type fixing device according to a preferred embodiment of the present invention. Referring to fig. 1, the latch type fixing device 100 according to the preferred embodiment of the present invention includes two parts, a pin body and a resilient protrusion 10.
Specifically, the pin body is a long straight structure composed of a pin head 21 and a pin 22. The shape and size of the pin head 21 and the pin shaft 22 should be consistent with the aperture specification of the mounting hole to be plugged. However, the radial length of the pin head 21 should be larger than that of the pin shaft 22, for example, referring to fig. 1, in the preferred embodiment of the present invention, the cross-sections of the pin head 21 and the pin shaft 22 are circular, and the cross-sectional diameter of the pin head 21 is larger than that of the pin shaft 22, so that a limiting surface 23 is formed on the bottom surface of the pin head 21.
The pin 22 has at least one through hole (not shown) formed in its wall, from which the resilient tab 10 normally protrudes. For example, with continued reference to FIG. 1, in the preferred embodiment, two through holes (not shown) are formed in the pin 22, with the resilient tabs 10 extending from the through holes. The through holes may be symmetrically distributed at two ends of any diameter of the cross section of the pin 22, or the angular distance between two through holes is 180 degrees, and in other preferred embodiments, if three through holes are included, the through holes are distributed on the wall surface of the pin 22 at equal angular distances of 120 degrees.
Said again as elastic tab 10. The elastic protrusion 10 is composed of an elastic member (not shown) and a protrusion member, and the elastic member is located in the inner cavity of the pin 22. In various embodiments of the present invention, the elastic protrusions 10 may be formed by a plurality of elastic branches formed by bifurcations of an elastic component and a protruding component corresponding to each branch, or may be formed by connecting a plurality of elastic components and protruding components with a fixing component of the inner cavity of the pin 22 in a one-to-one correspondence. The shape and size of the cross section of the protruding part should be consistent with the aperture of the connecting hole to be plugged, and the outline shape of the protruding part is not limited, but in order to make the stress smooth, in this embodiment of the present invention, the outline shape of the protruding part, that is, the protruding part of the elastic protrusion 10, is set to be circular.
The resilient tab 10 comprises two states. As mentioned above, the protruding part of the elastic protrusion 10 should protrude from the position of the through hole (not shown) on the pin shaft under normal conditions, and the protruding part of the elastic protrusion 10 should form a contact limit with the inserted connecting hole under normal conditions; when the elastic protrusion 10 is squeezed by an external force, the elastic component is compressed, so that the elastic protrusion 10 integrally moves towards the direction of the pin 22, namely towards the inside of the through hole, until the top point of the elastic protrusion along the movement direction falls into the plane where the through hole opening is located, at this moment, the elastic protrusion 10 does not limit the installation process of the pin any more, and in the process, the elastic protrusion is in a compressed state.
Based on foretell this kind of bolt formula fixing device, the preferred embodiment of the utility model also provides an application bolt formula fixing device is as the bolt formula communication rack group of fixed mode. The structure and connection of the latch-type communication cabinet set will be described with reference to the accompanying drawings.
Fig. 2 is a schematic view showing the structure of a latch type communication cabinet set using a latch type fixing device according to another preferred embodiment of the present invention. Referring to fig. 2, a latch-type communication cabinet assembly in accordance with another preferred embodiment of the present invention includes a communication cabinet 30 and a pallet 40 supporting the communication cabinet 30.
The pallet is said first. Fig. 3 is a schematic view illustrating the structure of the pallet in the latching type fixing device shown in fig. 2. Referring to fig. 3, the pallet 40 has a double-layer plate structure, wherein the bottom surface of the pallet 40 is attached to the surface of the support surface of the assembly site, and four first latch holes 41 are formed at the edge positions of both sides of the top surface.
Referring again to fig. 4, fig. 4 is a partially enlarged schematic view showing an enlarged structure of a portion a in fig. 2. As shown in fig. 4, four second latch holes 31 corresponding to the first latch holes 41 are formed at the edge positions of both side edges of the bottom of the telecommunications cabinet 30. Referring to fig. 3 and 4, it can be seen that when the communications cabinet 30 is placed on the top surface of the pallet 40, the two side edges of the top surface of the pallet 40 engage the two side edges of the bottom surface of the communications cabinet 30, thereby engaging the first and second latch holes 41, 31 and forming a channel therebetween for receiving the latch fastener 100. Thus, in the preferred embodiment of the present invention, the openings of the first and second pin holes 41 and 31 should match the pin profile of the pin fixture 100, and the projections of the hole centers of the first and second pin holes 41 and 31 on the horizontal plane should coincide.
In the process of inserting the latch type fixing device 100 into the two latch holes, referring to fig. 1 to 4, it can be seen that the protruding part of the elastic protrusion 10 is firstly in pressing contact with the inner diameter of the second latch hole 31, so that the protruding part moves toward the direction of the pin 22, i.e., the inside of the through hole, until the protruding part is wholly submerged into the through hole, and the process of the pin passing through the second latch hole 31 is not limited by the protruding part any more. And then through the first latch hole 41 in the pallet 40 in the same process.
Fig. 5 is a partially enlarged schematic view showing a structure of the cotter-type fixing device of fig. 4 for limit fixing. The length of the pins of the pin type fixing apparatus 100 should be greater than the height difference of the first pin hole 41 and the second pin hole 31 in the vertical direction. Therefore, after the fixing device passes through the first pin hole 41 and the second pin hole 31 in sequence, a limiting fixing structure as shown in fig. 5 is formed.
After the installation is completed, after the pin 22 passes through the first pin hole 41, the inner diameter of the first pin hole 41 no longer covers the through hole on the pin 22, and the protruding part is no longer pressed by contact, so that the elastic protrusion 10 recovers elastic deformation, protrudes again from the through hole position, and abuts against the bottom surface of the first pin hole 41, that is, the pallet 40.
In the disassembling and washing process, namely the reverse process of the above process, only force towards the pin shaft direction is applied to the protruding part of the bolt type fixing device 100 to enable the protruding part to be immersed into the through hole, the limiting and fixing relation between the bolt type fixing device 100 and the pallet 40 can be released, the fixing device is separated from the first bolt hole 41 and the second bolt hole 31, the disassembling process is completed, and the disassembling and assembling efficiency of the communication cabinet is obviously improved.
Due to the adoption of the technical scheme, the utility model discloses compare in prior art and have following beneficial technological effect:
1. the utility model provides a bolt formula fixing device at first, is the disjunctor structure that comprises round pin head and round pin axle, sells epaxial at least one through-hole that forms, and an elasticity protruding portion telescopically sets up in the through-hole to be outstanding state under the normality, from the through-hole outstanding. When the bolt type fixing device is inserted into a connecting hole of installation equipment, the bolt type fixing device is converted into a use state, in the use state, the protruding part of the elastic protruding part is in extrusion contact with the inner diameter of the connecting hole and is compressed towards the inside of the through hole until the protruding part is wholly immersed into the through hole, the process that the pin shaft penetrates through the connecting hole is not limited by the protruding part, and in the process, the inner diameter of the connecting hole always covers the through hole, namely the protruding part is always wholly immersed into the through hole; under the next working condition, after the whole pin shaft penetrates through the fixing hole, the inner diameter of the connecting hole does not cover the through hole, the protruding part is not extruded any more, the elastic part of the elastic protruding part recovers elastic deformation, the protruding part is ejected out of the through hole, the elastic protruding part recovers a normal state, and at the moment, the elastic protruding part abuts against the bottom surface of the connecting hole for limiting, so that the installation of the plug pin type fixing device and the connecting hole is realized;
2. the elastic protruding part comprises an elastic component arranged in the bolt and a protruding component which is positioned at the end part of the elastic component and extends out of the through hole, the outer diameter of the protruding component is circular, the elastic component is arranged into a mode that a plurality of elastic components are connected with a fixing piece, so that a plurality of elastic protruding parts can be formed on the pin shaft, and in order to improve the stability of the elastic protruding parts after the elastic protruding parts are limited, the elastic protruding parts can be distributed on the annular shaft wall of the pin shaft at equal angular intervals;
3. the bolt type fixing device has wide applicability and low manufacturing cost, and can be applied to the fixed setting environment of various large cabinets and pallets;
4. based on the bolt type fixing device, the utility model discloses also provide a bolt type communication cabinet group that utilizes this bolt type fixing device to fix correspondingly, the communication cabinet is placed on the pallet, and the edge position of the side edge of the bottom of the communication cabinet and the edge position of the side edge of the top surface of the pallet form corresponding first bolt hole and second bolt hole, then the bolt type fixing device forms the spacing installation with the pallet after passing through the first bolt hole and the second bolt hole successively; the mode that riveting is firstly carried out and then screw fixing is carried out in the prior art is replaced, the installation process of the communication cabinet is obviously simplified, the installation efficiency of the cabinet is improved, and the assembly cost of the cabinet is reduced;
5. during disassembly, force towards the direction of the pin shaft is applied to the protruding part of the bolt type fixing device only, the protruding part is made to sink into the through hole, the limiting and fixing relation between the bolt type fixing device and the pallet can be eliminated, the fixing device is separated from the first bolt hole and the second bolt hole, the disassembly process is completed, and the disassembly and assembly efficiency of the communication cabinet is remarkably improved.
The above description of the present invention is provided to help understand the method and the core idea of the present invention, and the purpose of the present invention is to allow people familiar with the art to understand the contents of the present invention and to implement the method, and thus the protection scope of the present invention cannot be limited by the above description. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. A latch-type fixture, comprising:
the bolt comprises a bolt body and a bolt body, wherein the bolt body comprises a pin head and a pin shaft connected with the pin head;
an elastic protrusion part which is arranged on the pin shaft and extends out of the through hole on the pin shaft under a normal state to present a protruding state, wherein,
in the use state, the elastic protruding part is stressed and is integrally pressed into the through hole, and the compression state is presented.
2. The bolt-type fixture of claim 1, wherein the resilient protrusion comprises a resilient member and a protruding member, the protruding member being located at an end of the resilient member, wherein,
the elastic component is positioned in the pin shaft, and the outer diameter of the protruding component is circular.
3. The bolt-type fixture of claim 2, wherein the pin comprises a plurality of through-holes therein, and the resilient tab comprises a plurality of tab members, wherein,
the protruding parts correspond to the through holes one to one.
4. A pin fixing according to claim 3, in which a plurality of the through holes are equally spaced along the pin wall.
5. A latch telecommunications cabinet assembly having a latch fixture of any of claims 1 to 4, the telecommunications cabinet assembly comprising:
a pallet arranged on the surface of the supporting surface;
a telecommunications cabinet having, therein,
bolt holes are respectively formed at the positions of the side edges of the two sides of the top surface of the pallet and the side edges of the two sides of the bottom of the communication cabinet and are respectively defined as a first bolt hole and a second bolt hole, the openings of the first bolt hole and the second bolt hole are consistent with the pin shaft outline of the bolt type fixing device, and the projections of the hole centers of the first bolt hole and the second bolt hole on the horizontal plane are superposed.
6. The latch type communication cabinet set of claim 5, wherein in the latch type fixing device, a length of the latch is greater than a height difference of the first latch hole and the second latch hole in a vertical direction, wherein,
after the bolt type fixing device penetrates through the first bolt hole and the second bolt hole, the elastic part of the bolt type fixing device is abutted against the bottom surface of the edge of the side edge of the top of the pallet to form limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022009910.XU CN213342910U (en) | 2020-09-14 | 2020-09-14 | Bolt formula fixing device and bolt formula communication rack group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022009910.XU CN213342910U (en) | 2020-09-14 | 2020-09-14 | Bolt formula fixing device and bolt formula communication rack group |
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| Publication Number | Publication Date |
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| CN213342910U true CN213342910U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022009910.XU Active CN213342910U (en) | 2020-09-14 | 2020-09-14 | Bolt formula fixing device and bolt formula communication rack group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910153A (en) * | 2021-10-29 | 2022-01-11 | 中航通飞华南飞机工业有限公司 | Supporting and fixing platform for assisting vertical fin disassembly and assembly |
-
2020
- 2020-09-14 CN CN202022009910.XU patent/CN213342910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910153A (en) * | 2021-10-29 | 2022-01-11 | 中航通飞华南飞机工业有限公司 | Supporting and fixing platform for assisting vertical fin disassembly and assembly |
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