CN214837556U

CN214837556U - Empty cantilever spring clip

Info

Publication number: CN214837556U
Application number: CN202023096510.3U
Authority: CN
Inventors: 马驰; 邓壮明
Original assignee: Zhenjiang Baohua Semi Trailer Parts Co ltd
Current assignee: Zhenjiang Baohua Semi Trailer Parts Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-11-23
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an empty cantilever spring card, a serial communication port, including engaging lug and empty cantilever connecting portion, empty cantilever connecting portion includes the base and sets up the extension piece in the base both sides, the base is opened has the first circular arc that cooperatees with the empty cantilever, first circular arc is connected with empty cantilever surface, the base top sets up the connection face, the connection face sets up a plurality of setpoint, engaging lug one end is connected with connection face fixed connection, the engaging lug other end is connected with external member, the both ends of extension piece are equipped with connection platform, connection platform is equipped with the bolt through-hole, engaging lug and bolt through-hole mutually support fixed base with U type bolt; the utility model discloses a set up engaging lug, connection platform and come fixed baseplate, control empty cantilever and remove through the first circular arc on the base to fixed empty cantilever is again because connection platform is connected through bolt and nut with U type bolt, can dismantle the connection, just so can fix empty cantilever and can open when needs again, convenient maintenance and change empty cantilever.

Description

Empty cantilever spring clip

Technical Field

The utility model relates to a track traffic door system technical field, concretely relates to empty cantilever spring card.

Background

The existing empty cantilever connecting device is mostly connected with an empty cantilever welding situation, then the connecting mechanism is fixedly connected with an external mechanism, and the empty cantilever is fixed in such a way, so that inconvenience is caused in maintenance and replacement after the empty cantilever is fixed, and therefore a connecting device is needed, wherein the empty cantilever can be fixed, and the position of the empty cantilever can be adjusted in need.

Disclosure of Invention

An object of the utility model is to provide an air-hung welding formula spring card to solve the problem that can not large batch processing production among the prior art.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme: the utility model provides an empty cantilever spring card, its characterized in that, includes engaging lug and empty cantilever connecting portion, empty cantilever connecting portion include the base and set up the extension piece in the base both sides, the base is opened there is the first circular arc with empty cantilever matched with, first circular arc is connected with empty cantilever surface, the base top sets up connects the face, it sets up a plurality of setpoint to connect the face, engaging lug one end with connect face fixed connection, the engaging lug other end is connected with external member, the both ends of extending the piece are equipped with connection platform, connection platform is equipped with the bolt through-hole, the engaging lug with the bolt through-hole with U type bolt mutually supports fixed base.

Preferably, the hollow cantilever spring clip is characterized in that the connecting lug is provided with a through connecting hole, and the connecting lug is connected with the external component pin shaft through the connecting hole.

Preferably, the hollow cantilever spring clip is characterized in that the connecting lug is connected with the connecting surface in a welding manner.

Preferably, the hollow cantilever spring clip is characterized in that a chamfer is arranged at the joint of the base and the extension block.

Preferably, the hollow suspension arm spring clip is characterized in that the extension block is provided with a second circular arc, the center of the second circular arc and the center of the first circular arc are on the same horizontal axis, and the hollow suspension arm can simultaneously penetrate through the first circular arc and the second circular arc.

Preferably, the radius of the second circular arc is smaller than that of the first circular arc.

According to the above technical scheme, the embodiment of the utility model has following effect at least: the utility model fixes the base by arranging the connecting lug and the connecting platform, and controls the movement of the hollow cantilever through the first arc on the base, thereby fixing the hollow cantilever, and because the connecting platform is connected with the U-shaped bolt through the bolt and the nut, the connecting platform is detachably connected, thereby not only fixing the hollow cantilever, but also opening the hollow cantilever as required, and facilitating the maintenance and the replacement of the hollow cantilever; the connecting surface is reserved on the base, so that the connecting lug and the base are connected more firmly, the connecting surface is provided with positioning points, the positioning of workers is facilitated, the welding operation on the connecting surface is simple and rapid, the manufacturing time is shortened, the manufacturing cost is saved, the process is simple, and the large-batch manufacturing can be realized; the radius of the second circular arc that the extension piece set up is less than first circular arc, and this spring card can compress tightly earlier at the second circular arc of installing on empty cantilever, prevents on the one hand that the first circular arc on the base from suffering damage after using too much, and on the other hand compresses tightly empty cantilever at two sections of base, and the spring card is more firm with the connection of empty cantilever.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the present invention;

FIG. 2 is a top view of an embodiment of the present invention

FIG. 3 is a cross-sectional view taken in the direction of FIG. 2 AA;

wherein: the connecting structure comprises a 1-connecting lug, a 2-hollow cantilever connecting part, a 3-base, a 4-extending block, a 102-connecting hole, a 301-connecting surface, a 302-chamfer, a 303-first arc, a 401-second arc, a 402-connecting platform and a 403-bolt through hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in FIGS. 1 to 3, the present invention discloses an empty suspension arm spring clip, which comprises a connection lug 1 and an empty suspension arm connection part 2, wherein the empty suspension arm connection part 2 comprises a base 3 and extension blocks 4 arranged on both sides of the base 3, the bottom end of the base 3 is provided with a first circular arc 303 corresponding to the diameter of the empty suspension arm, the first circular arc 303 is connected with the outer surface of the empty suspension arm, the base 3 is provided with a connection surface 301, the connection surface 301 is provided with a plurality of positioning points for determining the position of the connection lug 1, one end of the connection lug 1 is fixedly connected with the connection surface 301, specifically, one end of the connection lug 1 is welded with the connection surface 301, the other end of the connection lug 1 is connected with an external component, both ends of the extension block 4 are provided with connection platforms 402, the connection platforms 402 are fixedly connected with the extension blocks 4, the connection platforms 402 are provided with bolt through holes 403, the bolt through holes 403, U-shaped screws and the connection lugs 1 work together to fix the base 3, thereby securing the empty cantilever.

The connecting lug 1 is provided with a through connecting hole 102, the connecting lug 1 is connected with an external component pin shaft through the connecting hole 102, and the connecting lug 1 can rotate by taking the axis of the pin shaft as the center of a circle.

The chamfer 302 is arranged at the joint of the base 3 and the extension block 4, and the chamfer 302 is arranged to facilitate stress transfer, avoid stress concentration and prolong the service life of the spring clamp.

Extension block 4 sets up second circular arc 401, the second circular arc 401 centre of a circle with the centre of a circle of first circular arc 303 is on same horizontal axis, and the empty cantilever can pass simultaneously first circular arc 303 and second circular arc 401, and the radius of second circular arc 401 is less than first circular arc 303, and the purpose that so sets up protects first circular arc 303 on the one hand, avoids first circular arc 303 excessive wear when using, lacks the ability of pressing from both sides tight empty cantilever, and on the other hand can increase the tight degree of clamp of empty cantilever.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. An empty suspension arm spring clip is characterized by comprising a connecting lug (1) and an empty suspension arm connecting part (2), the hollow cantilever connecting part (2) comprises a base (3) and extension blocks (4) arranged on two sides of the base (3), the base (3) is provided with a first arc (303) matched with the suspension arm, the first arc (303) is connected with the surface of the suspension arm, the top end of the base (3) is provided with a connecting surface (301), the connecting surface (301) is provided with a plurality of positioning points, one end of the connecting lug (1) is fixedly connected with the connecting surface (301), the other end of the connecting lug (1) is connected with an external component, two ends of the extension block (4) are provided with connecting platforms (402), the connecting platforms (402) are provided with bolt through holes (403), the connecting lug (1) and the bolt through hole (403) are matched with the U-shaped bolt to fix the base (3).

2. An empty cantilever spring card according to claim 1, wherein, the connection ear (1) is opened with a through connection hole (102), and the connection ear (1) is pin-connected with the external member through the connection hole (102).

3. An empty cantilever spring card according to claim 2, wherein the connection lug (1) is welded to the connection surface (301).

4. An empty cantilever spring card according to claim 1, wherein the junction of the base (3) and the extension block (4) is provided with a chamfer (302).

5. An empty cantilever spring card according to claim 1, wherein the extension block (4) is provided with a second circular arc (401), the center of the second circular arc (401) is on the same horizontal axis with the center of the first circular arc (303), and the empty cantilever can simultaneously pass through the first circular arc (303) and the second circular arc (401).

6. An empty cantilever spring card according to claim 5, wherein the second circular arc (401) has a smaller radius than the first circular arc (303).