Christmas tree clamping base

Abstract

The utility model discloses a Christmas tree clamping base which comprises a base body, a clamping mechanism and a control mechanism are arranged on the base body, the clamping mechanism comprises a fixing claw, a rotating pin, a steel wire rope and a torsion spring, and the control mechanism comprises a control handle, a ratchet wheel base, a rotating shaft, a ratchet wheel, a retaining plate, a compression spring, a tension spring and a release protruding block. A clamping space is formed in the base body and located in the middle of the multiple fixing claws, an annular pressing plate is arranged on the inner side of the clamping space and is in vertical sliding connection with the base body, a reset spring is arranged between the annular pressing plate and the base body, an extension rod is connected to one side of the annular pressing plate, and the end of the extension rod is located below the rotating shaft; the end of the extension rod is connected with a locking column, locking holes are formed in the two sides of the rotating shaft, and the locking column is matched with the locking holes. According to the Christmas tree clamping base, the annular pressing plate and the linkage locking structure are additionally arranged, automatic locking is achieved when the Christmas tree is not placed, releasing is achieved after the Christmas tree is placed, mistaken touch of a control handle is eliminated, and the placement and installation efficiency of the Christmas tree is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping device technical field more specifically relates to a christmas tree clamping base. BACKGROUND

[0002] At present, the utility model discloses a christmas tree fixing base, including base body, the water cavity is arranged in the base body, the water cavity is communicated with the water inlet, the control handle and the fixed jaw are arranged on the base body, the hinge pin of fixed jaw is provided with torsional spring respectively, the front part of control handle is provided with ratchet seat, and the ratchet seat and control handle are provided with a rotating shaft, and the rotating shaft is provided with a ratchet, the ratchet seat is provided with the stop plate matched with ratchet, the stop plate and ratchet seat are provided with compression spring, the ratchet seat and control handle front end are provided with tension spring, the steel wire rope passes through the middle part of fixed jaw in proper order, and the both ends of steel wire rope are connected with rotating shaft, and the front end of control handle is provided with the release lug matched with stop plate.

[0003] The utility model discloses a christmas tree fixing base, including base body, the water cavity is arranged in the base body, the water cavity is communicated with the water inlet, the control handle and the fixed jaw are arranged on the base body, the hinge pin of fixed jaw is provided with torsional spring respectively, the front part of control handle is provided with ratchet seat, and the ratchet seat and control handle are provided with a rotating shaft, and the rotating shaft is provided with a ratchet, the ratchet seat is provided with the stop plate matched with ratchet, the stop plate and ratchet seat are provided with compression spring, the ratchet seat and control handle front end are provided with tension spring, the steel wire rope passes through the middle part of fixed jaw in proper order, and the both ends of steel wire rope are connected with rotating shaft, and the front end of control handle is provided with the release lug matched with stop plate. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides a christmas tree clamping base, which combines mechanical interlocking and working condition sensing organically, while maintaining the original single-handle control advantage, additionally adds a ring-shaped pressing plate and a linkage locking structure, automatically locks when no christmas tree is placed, and releases after the christmas tree is placed, eliminates accidental touch of the control handle, and improves the installation efficiency of the christmas tree.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A Christmas tree clamping base, comprising a base body, a clamping mechanism and a control mechanism are arranged on the base body, the clamping mechanism comprises a fixed claw, a rotating pin, a steel wire rope and a torsional spring, the control mechanism comprises a control handle, a ratchet seat is arranged on the front part of the control handle, a rotating shaft is arranged through the ratchet seat and the control handle, a ratchet is sleeved on the rotating shaft, a retreat stop plate matched with the ratchet is arranged in the ratchet seat, a compression spring is arranged between the ratchet seat and the retreat stop plate, a tension spring is arranged between the ratchet seat and the front end of the control handle, the steel wire rope passes through the middle part of the fixed claw in sequence, and the two ends of the steel wire rope are connected with the rotating shaft, a release protrusion matched with the retreat stop plate is arranged on the front end of the control handle, a clamping space is arranged in the middle of the base body among the fixed claws, an annular pressing plate is arranged on the inner side of the clamping space, the annular pressing plate is vertically slidably connected with the base body, a reset spring is arranged between the annular pressing plate and the base body, an extension rod is connected with one side of the annular pressing plate, the end of the extension rod is below the rotating shaft, and a vertical locking column is connected with the end of the extension rod, locking holes are arranged on the two sides of the rotating shaft, and the locking column can extend into the locking holes.

[0007] Further, a plurality of vertical sliding grooves are arranged on the side of the base body in the clamping space, a plurality of sliding plates are arranged on the outer side of the annular pressing plate, and the sliding plates pass through the sliding grooves to realize vertical sliding connection.

[0008] Further, the reset spring is arranged at the bottom of the end of the sliding plate away from the annular pressing plate, and the reset spring is vertically arranged, one end of the reset spring is connected with the end of the sliding plate, and the other end of the reset spring is connected with the base body.

[0009] Further, the fixed claws are four, and the four fixed claws are uniformly distributed around the clamping space.

[0010] Compared with the prior art, the Christmas tree clamping base has the following beneficial effects:

[0011] The automatic unlocking mechanism is as follows: when the Christmas tree is placed, after the Christmas tree is placed into the clamping space, the bottom of the Christmas tree presses the annular pressing plate, the annular pressing plate moves towards the annular pressing plate, the extension rod and the locking column are driven to move downwards, the locking of the rotating shaft is automatically released, the control handle can be rotated, and the clamping of the Christmas tree is completed.

[0012] The automatic unlocking mechanism is as follows: when the Christmas tree is placed, after the Christmas tree is placed into the clamping space, the bottom of the Christmas tree presses the annular pressing plate, the annular pressing plate moves towards the annular pressing plate, the extension rod and the locking column are driven to move downwards, the locking of the rotating shaft is automatically released, the control handle can be rotated, and the clamping of the Christmas tree is completed.

[0013] The design combines mechanical interlocking and working condition sensing, and while maintaining the original single-handle control advantage, the ring-shaped pressing plate and linkage locking structure are additionally provided, so that the control handle is automatically locked when the Christmas tree is not placed, and is released after the Christmas tree is placed, the control handle is prevented from being mistakenly touched, and the installation efficiency of the Christmas tree is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and the drawings include:

[0015] Figure 1 It is a structural diagram of a Christmas tree clamping base Figure 1 ;

[0016] Figure 2 It is a structural diagram of a Christmas tree clamping base Figure 2 ;

[0017] Figure 3 It is an internal schematic view of a Christmas tree clamping base

[0018] Figure 4 It is an enlarged view of A in Figure 1

[0019] Figure 5 It is an enlarged view of B in Figure 3

[0020] Figure 6 It is a sliding connection schematic view of the ring-shaped pressing plate and the base body.

[0021] In the figure, the following are marked: 1, base body; 2, fixed claw; 3, steel wire rope; 4, control handle; 5, torsional spring; 6, ring-shaped pressing plate; 7, clamping space; 8, extension rod; 9, locking column; 10, rotating shaft; 11, locking hole; 12, sliding plate; 13, return spring; 14, sliding groove. DETAILED DESCRIPTION

[0022] ​​In the description of the utility model, it is necessary to explain that, for the direction words, if the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0023] In addition, if the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "several", "several" is two or more than two, unless otherwise explicitly specified.

[0024] A Christmas tree clamping base, as shown in Figures 1-6 The base body 1 is provided with a clamping mechanism and a control mechanism, the clamping mechanism comprises a fixed jaw 2, a rotating pin, a steel wire rope 3 and a torsional spring 5, the rotating pin is installed on the fixed jaw 2, and the fixed jaw 2 is installed on the base body 1 through the rotating pin, the torsional spring 5 is installed on the rotating pin and is used for elastic reset of the fixed jaw 2, the control mechanism comprises a control handle 4, the front part of the control handle 4 is provided with a ratchet seat, a rotating shaft 10 is arranged through the ratchet seat and the control handle 4, a ratchet is sleeved on the rotating shaft 10, a retreat stop plate matched with the ratchet is arranged in the ratchet seat, a compression spring is arranged between the retreat stop plate and the ratchet seat, a tension spring is arranged between the ratchet seat and the front end of the control handle 4, the steel wire rope 3 passes through the middle part of the fixed jaw 2 in sequence, and the two ends of the steel wire rope 3 are connected with the rotating shaft 10, the front end of the control handle 4 is provided with a release lug matched with the retreat stop plate, the base body 1 is provided with a clamping space 7 in the middle of a plurality of fixed jaws 2, the inner side of the clamping space 7 is provided with an annular pressing plate 6, the annular pressing plate 6 is vertically slidably connected to the base body 1, and a reset spring 13 is arranged between the annular pressing plate 6 and the base body 1, one side of the annular pressing plate 6 is connected with an extension rod 8, the end of the extension rod 8 is located below the rotating shaft 10, and the end of the extension rod 8 is connected with a vertically arranged locking column 9, locking holes 11 are arranged on the two sides of the rotating shaft 10, and the locking column 9 can extend into the locking hole 11.

[0025] Preferably, as Figure 6As shown in the drawings, the base body 1 is provided with a plurality of vertically arranged sliding grooves 14 on the side of the clamping space 7, and the outer side of the annular pressing plate 6 is provided with a plurality of sliding plates 12 which are vertically slidably connected through the sliding grooves 14.

[0026] Preferably, as shown in the drawings, Figure 6 As shown in the drawings, the reset spring 13 is arranged at the bottom of the end of the sliding plate 12 away from the annular pressing plate 6, and the reset spring 13 is vertically arranged and connected at one end with the end of the sliding plate 12 and at the other end with the base body 1.

[0027] Preferably, as shown in the drawings, Figure 1 As shown in the drawings, the fixing claws 2 are provided with four, and the four fixing claws 2 are uniformly distributed around the clamping space 7.

[0028] Preferably, the rotating shaft 10 is provided with an assembly groove, the two ends of the steel wire rope 3 are clamped in the assembly groove, and the two ends of the rotating shaft 10 are respectively provided with end caps; after the two ends of the steel wire rope 3 are clamped into the assembly groove of the rotating shaft 10, the two ends are sealed with the end caps, so that the steel wire rope 3 and the rotating shaft 10 are connected together, which is reasonable in structure and convenient to connect.

[0029] Preferably, the control handle 4 is transversely provided with a sliding groove, the sliding groove is provided with a lock spring plate matched with the ratchet wheel, the control handle 4 is vertically provided with a lock groove, the lock groove is provided with a lock knob, the lock groove is communicated with the sliding groove, and the lock knob and the lock spring plate are provided with a spring therebetween.

[0030] Preferably, the base body 1 is provided with a clamping seat, the clamping seat is vertically provided with a clamping groove, and the ratchet wheel seat is provided with a clamping block matched with the clamping groove; the upper end of the clamping block is provided with a limiting stopper.

[0031] Preferably, the limiting stopper limits the insertion depth when the ratchet wheel seat is inserted into the clamping seat, so that the assembly efficiency and the assembly accuracy can be improved.

[0032] Preferably, the front end of the ratchet wheel seat is provided with a first tension spring seat, the upper part of the front end of the control handle 4 is provided with a second tension spring seat, and the tension spring is connected between the first tension spring seat and the second tension spring seat.

[0033] Preferably, the center of the clamping space 7 is provided with a centering cone; the centering cone is helpful for keeping the Christmas tree upright.

[0034] Working principle:

[0035] The Christmas tree fixing base is controlled by the control handle 4, four fixing claws 2 are linked through the steel wire rope 3 to be simultaneously retracted, the fixing claws 2 can uniformly apply force, and the Christmas tree can be kept upright and reliably fixed.

[0036] When fixing, the bottom of the Christmas tree is inserted into the centering cone in the clamping space 7 in the center of the Christmas tree base body 1, and then the control handle 4 is pressed downward to realize the folding fixation of the fixing claws 2. When the control handle 4 is pressed downward, the rotating shaft 10 and the ratchet on the rotating shaft 10 are driven to rotate, the protrusions on the outer periphery of the ratchet extrude the stop plate and compress the compression spring, and since the stop plate is clamped on the protrusions on the outer periphery of the ratchet, the ratchet cannot be reversely rotated; after the pressing is completed, the control handle 4 is automatically reset under the action of the tension spring. With the rotation of the rotating shaft 10, the steel wire rope 3 connected to the rotating shaft 10 is wound on the rotating shaft 10, and with the reduction of the extension length of the steel wire rope 3, the fixing claws 2 are tightened under the tension of the steel wire rope 3.

[0037] Advantages:

[0038] Mistaken touch prevention locking mechanism: by adding the annular pressing plate 6 and the linkage locking structure (the extension rod 8 + the locking column 9 + the locking hole 11), when the user steps on the base body 1 to place the Christmas tree, the annular pressing plate 6 is driven to be in the uppermost state under the elastic force of the reset spring 13 in the force-free state, the locking column 9 is inserted into the locking hole 11 of the rotating shaft 10, and mechanical locking is formed, which effectively prevents the abnormal folding of the fixing claws 2 caused by the mistaken touch of the foot on the control handle 4.

[0039] Automatic unlocking mechanism: when the Christmas tree is placed, after the Christmas tree is placed into the clamping space 7, the bottom of the Christmas tree presses the annular pressing plate 6, moves the annular pressing plate 6 towards, and drives the extension rod 8 and the locking column 9 to move downward, thereby automatically unlocking the rotating shaft 10, so that the control handle 4 can be rotated to complete the clamping of the Christmas tree.

[0040] The design combines mechanical interlocking and working condition sensing, adds the annular pressing plate 6 and the linkage locking structure while maintaining the original single-handle control advantage, is automatically locked when the Christmas tree is not placed, is unlocked after the Christmas tree is placed, eliminates the mistaken touch of the control handle 4, and improves the placing and installation efficiency of the Christmas tree.

[0041] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the present application shall also be considered as the protection scope of the present application.

Claims

1. A Christmas tree clamping base, comprising a base body, a clamping mechanism and a control mechanism arranged on the base body, the clamping mechanism comprising a fixed claw, a rotating pin, a steel wire rope and a torsion spring, the control mechanism comprising a control handle, a front part of the control handle being provided with a ratchet seat, a rotating shaft being arranged through the ratchet seat and the control handle, a ratchet being sleeved on the rotating shaft, a retreat-stopping plate being arranged in the ratchet seat and matched with the ratchet, a compression spring being arranged between the ratchet seat and the retreat-stopping plate, a tension spring being arranged between the ratchet seat and a front end of the control handle, the steel wire rope being sequentially arranged through a middle part of the fixed claw, and two ends of the steel wire rope being connected with the rotating shaft, a release protrusion being arranged on the front end of the control handle and matched with the retreat-stopping plate, characterized in that: The base body is provided with a clamping space in the middle of the fixing claws, the inner side of the clamping space is provided with an annular pressing plate, the annular pressing plate is vertically slidingly connected to the base body, and the annular pressing plate is provided with a reset spring between the base body, one side of the annular pressing plate is connected with an extension rod, the end of the extension rod is located below a rotating shaft, and the end of the extension rod is connected with a vertically arranged locking column, the rotating shaft is provided with a locking hole on both sides, and the locking column can extend into the locking hole. ​ 2. A Christmas tree securement base as defined in claim 1, wherein: The side of the base body in the clamping space is provided with a plurality of vertically arranged sliding grooves, and the outer side of the annular pressing plate is provided with a plurality of sliding plates.

3. A Christmas tree securement base as defined in claim 2, wherein: The reset spring is arranged at the bottom of the end of the sliding plate away from the annular pressing plate, and the reset spring is vertically arranged and connected at one end with the end of the sliding plate and at the other end with the base body.

4. A Christmas tree securement base as defined in claim 1, wherein: The fixing claws are provided with four, and the four fixing claws are uniformly distributed around the clamping space.

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