CN212725554U

CN212725554U - Fastening device and supporting device

Info

Publication number: CN212725554U
Application number: CN202021982500.7U
Authority: CN
Inventors: 盛元一
Original assignee: Changzhou Shengyan Electronic Technology Co ltd
Current assignee: Changzhou Shengyan Electronic Technology Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-03-16
Anticipated expiration: 2030-09-11

Abstract

The utility model relates to the field of communication, especially, relate to a fastener and strutting arrangement for mobile communication antenna system. A fastening device, comprising: the locking device comprises a first clamping and fixing piece, a locking surface I and a locking mechanism, wherein a locking surface I is formed on one side of the first clamping and fixing piece; the second clamping piece is a U-shaped hoop, the vertical end of the second clamping piece penetrates through the first clamping piece and is locked, the second clamping piece is matched with the adapter piece and the first clamping piece to complete locking action, and the arc end of the second clamping piece is matched with the locking surface I to form a locking structure; the adapter, the adapter wears to establish on the arc end of second card firmware, one side of adapter is formed with locking surface II, locking surface II and locking surface I cooperate with locking, the opposite side of adapter extends the link 33. The technical problem of the fastener compressive strength among the prior art is not enough is solved.

Description

Fastening device and supporting device

Technical Field

The utility model relates to the field of communication, especially, relate to a fastener and strutting arrangement for mobile communication antenna system.

Background

With the development of mobile communication, the site density is continuously increased, and there is a demand for more diversification of antenna performance, appearance, and the like. Then, there has certain optimal design to the appearance of antenna and dustcoat for the structure is smaller and more exquisite, and improves the richness of appearance. In a severe environment, the antenna fastening device needs to be tensile and have sufficient compressive strength, and is convenient to mount.

The patent with the application number of ' CN201620510907.7 ' discloses a support arm and support, specifically discloses mounting 3 ' and support piece 5 ', and mounting 3 ' is fixed the assembly on support piece 5 ', and mounting 3 ' is the staple bolt subassembly, includes two half staple bolts I32 ' and connecting piece I31 ', and support piece 5 ' is carried to two half staple bolts I32 ' clip, and connecting piece I31 ' is used for locking two half staple bolts I32 '. In the above application, the pressure of the supporting member 5 'on the fixing member 3' is borne by the hoop i 32 'and the connecting member i 31', meanwhile, the external structural member and the supporting member 5 'connected by the connecting member i 31' are heavy, and the connecting member i 31 'needs enough strength to support the external structural member and the supporting member 5', so that the connecting member i 31 'needs to be provided with the reinforcing rib 311', which results in complicated structure and increased cost, and in addition, the connecting member i 31 'is made of metal materials, further resulting in increased weight of the fixing member 3', which is not beneficial for workers to install in high altitude; when the connecting piece I31 ' is locked to the half hoop I32 ', the non-threaded end of the half hoop I32 ' needs to be jacked by an assembler (otherwise, the half hoop I32 ' deviates from a rotation limiting structure), so that the connecting piece I31 ' can be locked, and great inconvenience is brought to installation by the structure.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the compressive strength of the fastening device in the prior art is not enough, the utility model provides a fastening device and fastening device has solved above-mentioned technical problem. The technical scheme of the utility model as follows:

a fastening device, comprising: the locking device comprises a first clamping and fixing piece, a locking surface I and a locking mechanism, wherein a locking surface I is formed on one side of the first clamping and fixing piece; the second clamping piece is a U-shaped hoop, the vertical end of the second clamping piece penetrates through the first clamping piece and is locked, and the arc end of the second clamping piece is matched with the locking surface I to form a locking structure; the adapter is arranged on the arc end of the second clamping piece in a penetrating mode, the second clamping piece is matched with the adapter and the first clamping piece to complete locking action, a locking surface II is formed on one side of the adapter, the locking surface II is matched with the locking surface I to lock, and a connecting end extends out of the other side of the adapter.

The utility model discloses a fastener includes first card firmware, second card firmware and adaptor, one side of first card firmware is formed with locking surface I, second card firmware is U type staple bolt, first card firmware is passed and is locked to the vertical end of second card firmware, because of the characteristic of splining of U type staple bolt self, when locking U type staple bolt and first card firmware, need not press second card firmware, the arc that the adaptor worn to establish second card firmware is served, one side of adaptor is formed with locking surface II, locking surface II cooperatees with locking surface I and locks, the outside structure can be locked in the two cooperation, the link is extended to the opposite side of adaptor, the link can be connected with devices such as support arm, in order to support the antenna.

According to the utility model discloses an embodiment, the link sets up to the frame shape structure of fretwork.

According to the utility model discloses an embodiment, be formed with limit structure on the adaptor, when the adaptor supported the antenna, limit structure can restrict the adaptor round the second card firmware is rotatory.

According to the utility model discloses an embodiment, limit structure sets up to the U-shaped groove, the U-shaped groove symmetry sets up the both sides of adaptor, when the adaptor supports the antenna, the both sides of the arc end of second card firmware support respectively and lean on the U-shaped groove.

According to the utility model discloses an embodiment, first card firmware is main supporting body, adaptor, first card firmware and second card firmware are combined material.

According to the utility model discloses an embodiment, locking face II has two inclined planes, two the inclined plane forms into V-arrangement face or trapezoidal face, the open end orientation of the V-arrangement face or the trapezoidal face of adaptor the locking face I.

According to the utility model discloses an embodiment, the one end of V-arrangement face is formed with the arcwall face, two the inclined plane passes through the arcwall face is connected, locking face II is last to have the tooth of stinging.

According to the utility model discloses an embodiment, locking face I is V-arrangement face or trapezoidal face, be formed with the sawtooth on the V-arrangement face or the trapezoidal face of first card firmware.

According to the utility model discloses an embodiment, first card firmware is the arc, the curved opening orientation of first card firmware the clamping surface II, be formed with the lightening hole on the first card firmware.

A supporting device comprises the fastening device.

Based on the technical scheme, the utility model discloses the technological effect that can realize does:

1. the utility model discloses a fastener includes first card firmware, second card firmware and adaptor, one side of first card firmware is formed with locking surface I, second card firmware is U type staple bolt, first card firmware is passed and is locked to the vertical end of second card firmware, because of the spline characteristic of U type staple bolt self, when locking U type staple bolt and first card firmware, need not press second card firmware, so easy to assemble, the arc that second card firmware was worn to establish by the adaptor is served, one side of adaptor is formed with locking surface II, locking surface II cooperatees with locking external structure spare with locking surface I, the link is extended to the opposite side of adaptor, the link can support the antenna on the linking arm and.

2. The fastening device of the utility model adopts the second clamping piece as the U-shaped hoop, and the adapter piece is arranged on the arc end of the second clamping piece in a penetrating way, so that the U-shaped hoop can support the adapter piece, thereby increasing the pressure which can be born by the adapter piece, further miniaturizing the adapter piece and being convenient for saving the cost; the locking face II and the locking face I are matched with each other to lock an external structural part, the force of the external structural part on the connecting piece is borne by the connecting piece and the U-shaped hoop together, the force borne by the fastening device is larger, and the fastening strength is higher and more stable.

3. The utility model discloses a be formed with limit structure on the adaptor, when the adaptor supported the antenna, limit structure can restrict the adaptor and round the rotation of second card solid piece, under the high altitude, so the workman's installation of being convenient for of structure, whole structure is also more stable simultaneously. Specifically, limit structure sets up to the U-shaped groove, and the U-shaped groove symmetry sets up in the both sides of adaptor, and when the adaptor supported the antenna, the both sides of the arc end of second card firmware support respectively and lean on the U-shaped groove to can prevent that adaptor and the device on it from round the rotation of second card firmware, and then make fastener more stable.

4. The utility model discloses a locking face II of adaptor has two inclined planes, two inclined planes form into V-arrangement face or trapezoidal face, locking face I of first card fastener also is V-arrangement face or trapezoidal face, V-arrangement face or trapezoidal face form the contact surface of two different positions in order to form two pressure surfaces when locking the work piece, thereby it locks to form four pressure surfaces in the face of external structure spare, whole locking strength is higher, furthermore, the tooth is stung to having on locking face II, be formed with the sawtooth on V-arrangement face or the trapezoidal face of first card fastener, the frictional force between tooth and the multiplicable locking face of sawtooth and the external structure spare, thereby prevent that external structure spare from sliding in locking the structure.

5. The adapter, the first clamping piece and the second clamping piece of the utility model are made of composite materials, and the fastening device can be light under the condition of ensuring the strength, thereby being convenient for installation under high altitude; compared with the metal material, the composite material can also solve the problem of corrosion of the metal material.

Drawings

FIG. 1 is a schematic structural view of a prior art stent;

FIG. 2 is a schematic structural view of the fastening device of the present embodiment;

FIG. 3 is a schematic structural view of the adaptor;

FIG. 4 is a schematic structural view of the first fastener;

fig. 5 is a schematic view of a mating structure of the adaptor and the first fastener;

FIG. 6 is a schematic view showing the structure of the fastening device and the supporting device;

in the figure: 3' -a fixing member; 31' -connecting piece I; 311' -reinforcing ribs; 32 '-half hoop I, 5' -supporting piece;

1-a first fastener; 11-locking surface I; 111-serration; 12-lightening holes; 2-a second clamping piece; 21-vertical end; 22-an arc end; 3-an adapter; 31-locking surface II; 311-inclined plane; 312-an arc-shaped face; 3111-biting; a 32-U-shaped slot; 33-a connection end; 331-locking holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 2 to 6, the fastening device of the present embodiment includes a first fastener 1, a second fastener 2, and an adaptor 3, wherein a locking surface i 11 is formed on one side of the first fastener 1; the second clamping piece 2 is a U-shaped hoop, and the vertical end 21 of the second clamping piece 2 penetrates through the first clamping piece 1 and is locked; the adapter 3 is arranged on the arc-shaped end 22 of the second clamping piece 2 in a penetrating mode, the second clamping piece 2 is matched with the adapter 3 and the first clamping piece 1 to complete locking action, a locking surface II 31 is formed on one side of the adapter 3, the locking surface II 31 is matched with the locking surface I11 to lock an external structural part, a connecting end 33 extends out of the other side of the adapter 3, and the connecting end 33 can support the connecting support arm and an antenna on the connecting support arm.

As can be seen from the above, the first fastener 1, the second fastener 2 and the adaptor 3 of the fastening device of the present embodiment bear the pressure of the external structural member together. Specifically, the adaptor 3 penetrates through the arc-shaped end of the U-shaped hoop, the U-shaped hoop can support the adaptor 3, and the U-shaped hoop and the adaptor 3 bear the pressure given by an external structural member together, so that the adaptor 3 does not need to be provided with a reinforcing rib to increase the compressive strength, the structure of the adaptor 3 is simplified, and the adaptor 3 is portable and convenient to mount; further, when the U-shaped hoop and the first fastener 1 are locked, the U-shaped hoop can automatically stop rotating after the threaded end of the U-shaped hoop passes through the first fastener 1, so that when the U-shaped hoop and the first fastener are locked, the non-threaded end of the U-shaped hoop does not need to be pressed, and the installation is convenient; further, the adaptor 3 of the present embodiment is not disposed at the threaded end of the second fastening member 2, but disposed at the arc end, so as to prevent the second fastening member 2 from interfering with the adaptor 3 and the external structural member.

As shown in fig. 2, the second fastener 2 is fixedly engaged with the first fastener 1, specifically, the second fastener 2 is a U-shaped anchor ear, the vertical end 21 of the second fastener 2 passes through the first fastener 1, the nut locks the second fastener 2 and the first fastener 1, and the locking surface i 11 and the second fastener 2 are oppositely disposed, so that the fixed engagement between the two is realized.

As shown in fig. 3, a connection end 33 is formed at one end of the adaptor 3 of the present embodiment, the connection end 33 is a frame-shaped structure, and no reinforcing rib is required to be arranged on the frame-shaped structure, so that the adaptor 3 is light and convenient to install; furthermore, the two sides of the connecting end 33 are provided with locking holes 331, the adaptor 3 is connected with an external structure through the locking holes 331, for example, when the antenna is supported, the adaptor 3 is rotatably connected with the deflection structure through the fixing piece passing through the locking holes 331, and the deflection structure is connected with the antenna, so as to realize adjustable support of the antenna. One end of the adaptor 3 is formed with a locking surface ii 31, specifically, the locking surface ii 31 is a concave V-shaped surface or a trapezoidal surface, and a tooth 3111 is formed on the V-shaped surface or the trapezoidal surface. Preferably, an arc-shaped surface 312 is formed at one end of the V-shaped surface, and the two inclined surfaces 311 are connected through the arc-shaped surface 312, so that the thickness of the adaptor 3 is uniform, and local shrinkage is avoided during injection molding, thereby affecting the appearance of the product.

Preferably, a limiting structure is formed on the adaptor 3, and when the adaptor 3 supports the antenna, the limiting structure can limit the adaptor 3 to rotate around the second fastener 2. Specifically, the limiting structure is arranged as a U-shaped groove 32, the U-shaped groove 32 is symmetrically arranged on two sides of the adaptor 3, and after the adaptor 3 supports the antenna, two sides of the arc-shaped end 22 of the second clamping member 2 respectively abut against the U-shaped groove 32, so that the adaptor 3 can be prevented from rotating around the second clamping member 2.

As shown in fig. 2 and fig. 4, the first fastener 1 of the present embodiment is used as a main carrier, specifically, the first fastener 1 is arc-shaped, the arc top is used as a main stress point, the arc top is thickened to enhance the strength of the first fastener 1, two sides of the arc are used as secondary stress points, and lightening holes 12 are formed in the arc-shaped sides, so that the weight of the first fastener 1 can be reduced, a locking surface i 11 is formed on an inner arc of the arc-shaped structure, the locking surface i 11 is a V-shaped surface or a trapezoidal surface, saw teeth 111 are formed on the V-shaped surface or the trapezoidal surface, an opening end of the locking surface i 11 faces to a locking surface ii 31, and the two cooperate with each other to form a locking structure. Further, under the condition that all distribute the tooth on locking face II 31 and locking face I11, can increase the friction when locking external structure spare, can realize firm locking external structure spare.

According to a preferred technical scheme of the embodiment, the first clamping piece 1, the adapter piece 3 and the second clamping piece 2 are made of composite materials, so that the fastening device is light and convenient under the condition of ensuring the strength, and is convenient to mount under high altitude; compared with the metal material, the composite material can also solve the problem of corrosion of the metal material.

The embodiment also provides a supporting device, which comprises the fastening device and can be simplified in structure and convenient to mount.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A fastening device, comprising:

the locking device comprises a first clamping piece (1), wherein a locking surface I (11) is formed on one side of the first clamping piece (1);

the second clamping piece (2) is a U-shaped hoop, and a vertical end (21) of the second clamping piece (2) penetrates through the first clamping piece (1) and is locked;

adaptor (3), adaptor (3) wear to establish on arc end (22) of second card firmware (2), second card firmware (2) cooperation adaptor (3) with locking action is accomplished to first card firmware (1), the one end of adaptor (3) is formed with locking face II (31), locking face II (31) and locking face I (11) cooperate with the locking, the other end of adaptor (3) extends link (33).

2. A fastening device according to claim 1, wherein the attachment end (33) is provided as a frame-shaped structure.

3. A fastening device according to claim 1, wherein the adaptor (3) is formed with a limiting structure, and the limiting structure limits the rotation of the adaptor (3) around the second fastener (2) when the adaptor (3) supports the antenna.

4. A fastening device according to claim 3, wherein the limiting structure is a U-shaped groove (32), the U-shaped groove (32) is symmetrically disposed on both sides of the adaptor (3), and both sides of the arc-shaped end (22) of the second fastening member (2) respectively abut against the U-shaped groove (32) when the adaptor (3) supports the antenna.

5. A fastening device according to claim 1, wherein the first fastener (1) is a main carrier, and the adaptor (3), the first fastener (1) and the second fastener (2) are made of a composite material.

6. A fastening device according to claim 1 or 3, wherein the locking surface ii (31) has two inclined surfaces (311), the two inclined surfaces (311) are formed as V-shaped surfaces or trapezoidal surfaces, and the open end of the V-shaped surfaces or trapezoidal surfaces of the adaptor (3) faces the locking surface i (11).

7. A fastening device according to claim 6, wherein one end of the V-shaped surface is formed with an arc-shaped surface (312), the two inclined surfaces (311) are connected through the arc-shaped surface (312), and the locking surface II (31) is provided with a tooth (3111).

8. A fastening device according to claim 1, wherein the locking surface i (11) is a V-shaped surface or a trapezoidal surface, and the V-shaped surface or the trapezoidal surface of the first engaging member (1) is formed with saw teeth (111).

9. A fastening device as claimed in claim 8, characterized in that the first clip element (1) is curved, the curved opening of the first clip element (1) facing the locking surface II (31), and the first clip element (1) is formed with lightening holes (12).

10. A support device comprising a fastening device as claimed in any one of claims 1 to 9.