Spring clamp with self-locking function

Abstract

The spring clamp with the self-locking function comprises a spring clamp body, an opening sleeve is installed on the inner side of the spring clamp body, a rotating handle mechanism is arranged at the top of the outer side of the opening sleeve in a rotating mode, and the rotating handle mechanism can drive a first bevel gear arranged in the opening sleeve to rotate through a driving rod. The first bevel gear is meshed with second bevel gears arranged on the two sides, the second bevel gears can drive a lead screw mechanism rotationally arranged in the open sleeve to rotate, the lead screw mechanism is connected with a moving plate, and the moving plate is connected with a positioning plate slidably arranged in the open sleeve through symmetrically-arranged connecting arms. And the positioning plate is connected with the inner side of the spring clamp body through the connecting positioning head. According to the spring clamp with the self-locking function, in order to solve the problem that although a traditional tent spring clamp can achieve quick connection, the tent spring clamp is prone to loosening in the using process, the opening sleeve is installed on the inner side of the spring clamp body.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring card technical field, concretely is a spring card with self locking function. BACKGROUND

[0002] The tent is usually need to use spring card to connect together with the installation ground, although the traditional tent spring card can realize quick connection, but is easy to loosen in the use process, influences the stability and safety of tent, therefore proposes a kind of spring card with self locking function to solve above-mentioned problem. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of spring card with self locking function to solve the problem that traditional tent spring card can realize quick connection, but is easy to loosen in the use process in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of spring card with self locking function, including spring card body, open sleeve is installed in the inside of spring card body, and open sleeve outside top is rotationally provided with steering handle mechanism, the first bevel gear of open sleeve inside is rotatable by the driving link of steering handle mechanism, and the second bevel gear of first bevel gear and both sides is engaged, the screw mechanism of open sleeve inside rotationally provided with second bevel gear is rotatable, and screw mechanism is connected with moving plate, the moving plate is connected with the positioning plate of open sleeve inside slidingly arranged by the connecting arm of symmetry, and the positioning plate is connected with the inside of spring card body by connecting positioning head.

[0005] Preferably, the spring card body is provided with a corrosion-resistant layer on the outside.

[0006] The above technical solution improves the corrosion resistance of the spring card body.

[0007] Preferably, the corrosion-resistant layer includes a boron nitride coating layer, a polyimide coating layer, and a zinc silicate coating layer. The boron nitride coating layer is located on the outside of the polyimide coating layer and is connected by an organic silicone adhesive. The polyimide coating layer is located on the outside of the zinc silicate coating layer and is connected by an organic silicone adhesive.

[0008] The above technical solution improves the corrosion resistance of the spring card body.

[0009] Preferably, the steering handle mechanism includes a steering handle, and a limiting ring is fixedly installed on the outside of the steering handle. A plurality of limiting holes are formed in the limiting ring.

[0010] The above technical solution facilitates the limiting of the steering handle mechanism.

[0011] Preferably, the first bevel gear and the second bevel gear are located inside the protective box arranged inside the open sleeve.

[0012] Through the above technical scheme: the first bevel gear and the second bevel gear are protected.

[0013] Preferably, the connecting positioning head is movably connected with the spring clamp body.

[0014] Through the above technical scheme: the spring clamp body is moved.

[0015] Compared with the prior art, the spring clamp with the self-locking function has the advantages that: the device can solve the problem that the traditional tent spring clamp can be quickly connected but is prone to loosening during use; the open sleeve is arranged inside the spring clamp body, the handle mechanism is rotatably arranged at the top of the outer side of the open sleeve, the first bevel gear arranged inside the open sleeve is driven to rotate through the driving rod of the handle mechanism, the first bevel gear is engaged with the second bevel gears arranged on the two sides, the second bevel gears drive the screw rod mechanism rotatably arranged inside the open sleeve to rotate, the screw rod mechanism is connected with the moving plate, the moving plate is connected with the positioning plates slidably arranged inside the open sleeve through the symmetrically arranged connecting arms, the positioning plates are connected with the spring clamp body inside through the connecting positioning heads, when in use, the handle mechanism is rotated, the two groups of positioning plates are constantly away from each other under the action of the handle mechanism, the spring clamp body is expanded and supported through the connecting positioning heads, the spring clamp body is connected with the ground in a clamping manner, the handle mechanism is limited after the connection is completed, and the positioning plates and the related structures can avoid the spring clamp body from rebounding to a certain extent, thereby reducing the possibility of loosening. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole front view of the sectional structure of the utility model and shows a schematic diagram;

[0017] Figure 2 It is the utility model Figure 1 It is an enlarged structure schematic diagram of A in the utility model;

[0018] Figure 3 It is the utility model Figure 2 It is an enlarged structure schematic diagram of B in the utility model;

[0019] Figure 4 It is a corrosion protection layer structure schematic diagram of the utility model.

[0020] In the figure: 1, spring card body; 101, open sleeve; 102, handle mechanism; 1021, handle; 1022, limit ring; 103, first bevel gear; 104, second bevel gear; 105, screw mechanism; 106, moving plate; 107, connecting arm; 108, positioning plate; 109, connecting positioning head; 2, anticorrosive layer; 201, boron nitride paint layer; 202, polyimide paint layer; 203, zinc silicate paint layer; 3, protection box. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a spring card with self-locking function, open sleeve 101 is installed in spring card body 1 inner side, and handle mechanism 102 is rotationally arranged on the top of open sleeve 101 outer side.

[0023] Further explanation, the material of spring card body 1 is high-strength spring steel, with higher elasticity and durability.

[0024] Specifically, anticorrosive layer 2 is arranged on the outer side of spring card body 1, anticorrosive layer 2 includes boron nitride paint layer 201, polyimide paint layer 202 and zinc silicate paint layer 203, boron nitride paint layer 201 is located on the outer side of polyimide paint layer 202, and is connected by silicone adhesive, polyimide paint layer 202 is located on the outer side of zinc silicate paint layer 203, and is connected by silicone adhesive, boron nitride paint layer 201 has very low friction coefficient, very good high-temperature stability, very good heat shock resistance, very high strength, very high thermal conductivity, anti-static and corrosion resistance, polyimide paint layer 202 has good insulation performance, good heat resistance, high tensile strength, resistance to organic solvents, ozone resistance, mildew resistance and good corrosion resistance, zinc silicate paint layer 203 has good durability, good self-sealing, excellent corrosion resistance, high temperature resistance, weather resistance and ultraviolet light aging performance, through the cooperation of the above structure, further improve the anticorrosive durability effect of spring card body 1.

[0025] Specifically, the rotating handle mechanism 102 drives the first bevel gear 103 arranged inside the open sleeve 101 through the driving rod to rotate, the first bevel gear 103 is engaged with the second bevel gear 104 arranged on both sides, the second bevel gear 104 drives the screw rod mechanism 105 arranged inside the open sleeve 101 to rotate, the screw rod mechanism 105 is connected with the moving plate 106, the moving plate 106 is connected with the positioning plate 108 arranged inside the open sleeve 101 through the symmetrically arranged connecting arm 107, the positioning plate 108 is connected with the spring clamping body 1 inside through the connecting positioning head 109, and the connecting positioning head 109 is movably connected with the spring clamping body 1 inside.

[0026] Further, the rotating handle mechanism 102 comprises a rotating handle 1021, and a limiting ring 1022 is fixedly installed outside the rotating handle 1021, a plurality of limiting holes are formed in the limiting ring 1022, and a plug hole is formed in the open sleeve 101 and matched with the limiting hole, and in the later period, the limiting hole and the plug hole can be detachably connected through a fixing rod to limit the limiting ring 1022 and the rotating handle 1021, so that the rotating handle mechanism 102 is prevented from rotating.

[0027] Further, the first bevel gear 103 and the second bevel gear 104 are arranged inside the protection box 3 arranged inside the open sleeve 101, and the engagement between the first bevel gear 103 and the second bevel gear 104 is protected by arranging the protection box 3.

[0028] In use, the rotating handle mechanism 102 is rotated, the first bevel gear 103 is rotated under the action of the rotating handle mechanism 102, so as to drive the second bevel gear 104 and the screw rod mechanism 105 to rotate, the two positioning plates 108 are continuously away from each other under the action of the rotation of the screw rod mechanism 105, so as to expand and support the spring clamping body 1 through the connecting positioning head 109, the spring clamping body 1 is clamped and connected with the ground, the rotating handle mechanism 102 is limited after the connection is completed, and the positioning plate 108 and the related structure can prevent the spring clamping body 1 from rebounding to a certain extent, so as to limit the self-locking function, thereby reducing the possibility of loosening.

[0029] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only a simplified description for the convenience of describing the utility model, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0030] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A spring clip with a self-locking function, comprising a spring clip body (1), characterized in that: An open sleeve (101) is installed inside the spring clip body (1), and a rotatable handle mechanism (102) is rotatably arranged on the top of the outer side of the open sleeve (101). The rotatable handle mechanism (102) can drive the first helical gear (103) arranged inside the open sleeve (101) to rotate through the drive rod. The first helical gear (103) meshes with the second helical gears (104) arranged on both sides. The second helical gears (104) can drive the screw mechanism (105) arranged inside the open sleeve (101) to rotate. The screw mechanism (105) is connected to the moving plate (106). The moving plate (106) is connected to the positioning plate (108) slidably arranged inside the open sleeve (101) through the symmetrically arranged connecting arms (107). The positioning plate (108) is connected to the inside of the spring clip body (1) through the connecting positioning head (109).

2. A spring clip with a self-locking function according to claim 1, characterized in that: The outer side of the spring clip body (1) is provided with an anti-corrosion layer (2).

3. A spring clip with a self-locking function according to claim 2, characterized in that: The anti-corrosion layer (2) includes a boron nitride coating layer (201), a polyimide coating layer (202), and a zinc silicate coating layer (203). The boron nitride coating layer (201) is located outside the polyimide coating layer (202) and is connected by an organosilicone adhesive. The polyimide coating layer (202) is located outside the zinc silicate coating layer (203) and is connected by an organosilicone adhesive.

4. A spring clip with a self-locking function according to claim 1, characterized in that: The throttle mechanism (102) includes a throttle (1021), and a limiting ring (1022) is fixedly installed on the outside of the throttle (1021). The limiting ring (1022) has several sets of limiting holes.

5. A spring clip with a self-locking function according to claim 1, characterized in that: The first helical gear (103) and the second helical gear (104) are both located inside the protective box (3) set inside the open sleeve (101).

6. A spring clip with a self-locking function according to claim 1, characterized in that: The connecting positioning head (109) is movably connected to the inner side of the spring clip body (1).

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