CN215360953U - Telescopic boom and automatic charging device with same - Google Patents

Abstract

The application discloses a telescopic arm and an automatic charging device with the same, wherein the telescopic arm comprises a telescopic sleeve, a connecting plate and a scissor fork mechanism, and the telescopic sleeve comprises at least two sleeves which are sequentially sleeved and distributed; the sleeve is provided with a first avoidance notch, and a connecting plate is fixed on the sleeve; the connecting plate is provided with a second avoidance notch; the scissor fork mechanism comprises at least two connecting rod assemblies, the rear end of the front connecting rod assembly is hinged with the front end of the rear connecting rod assembly in the telescopic direction of the sleeve, each connecting rod assembly comprises two straight rods connected through a first hinge shaft, and the first hinge shaft is connected with the connecting plate; when the telescopic sleeve is in a contraction state, the first avoidance notch is sleeved outside the connecting plate, and the first hinge shaft is located in the second avoidance notch of the adjacent connecting plate. The application provides a flexible arm finishes at telescopic tube shrink back, and the interval between the adjacent first articulated shaft is less, has increased flexible volume, has realized little volume and the effect of long stroke.

Description

Telescopic boom and automatic charging device with same

Technical Field

The application relates to the technical field of automatic charging devices, in particular to a telescopic arm. In addition, this application still relates to an automatic charging device including above-mentioned flexible arm.

Background

The automatic charging device generally comprises a shell and a charging gun head, and correspondingly, an electric automobile is provided with a power receiving seat. When the charging gun is used, the charging gun head of the automatic charging device is inserted into the power receiving seat, and the charging process of an automobile is realized.

At present, in order to reduce the volume of casing, the casing can adopt telescopic structure, and the casing specifically includes multistage sleeve, and a fixed column is installed to each sleeve, is close to and keeps away from each other through controlling each fixed column, realizes telescopic withdrawal and extension of each.

The inventor finds in practice that each fixing column protrudes out of the surface of the sleeve, and in the contraction process, the fixing column on the front sleeve is abutted against the end part of the rear sleeve, so that the telescopic amount of the sleeve is limited, and the problem of small telescopic amount of the shell is further caused.

In summary, how to increase the expansion amount of each sleeve is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the purpose of this application is to provide a flexible arm, and it dodges the breach and dodges the breach with the second and dodges first articulated shaft, and after the sleeve shrink finishes, the interval between the adjacent first articulated shaft is less, has increased flexible volume. Another object of the present application is to provide an automatic charging device including the telescopic arm.

In order to achieve the above purpose, the present application provides the following technical solutions:

a telescopic arm comprising:

the telescopic sleeves comprise at least two sleeves which are sequentially sleeved and distributed; the sleeve is provided with a first avoidance notch, and a connecting plate is fixed on the sleeve;

the connecting plate is provided with a second avoidance notch;

the scissor fork mechanism comprises at least two connecting rod assemblies, the rear end of the front connecting rod assembly is hinged with the front end of the rear connecting rod assembly in the telescopic direction of the sleeve, each connecting rod assembly comprises two straight rods connected through a first hinge shaft, and the first hinge shaft is connected with the connecting plate;

when the telescopic sleeve is in a contraction state, the first avoidance notch is sleeved outside the connecting plate, and the first hinge shaft is located in a second avoidance notch adjacent to the connecting plate.

Optionally, the scissors mechanism further comprises a motor connected with the scissors mechanism and controlling the scissors mechanism to extend and retract.

Optionally, the telescopic sleeve comprises an outer sleeve at the outermost layer and an inner sleeve nested inside the outer sleeve; each inner sleeve is provided with the first avoidance notch, each inner sleeve is fixed with the connecting plate, and each connecting plate is connected with the corresponding first articulated shaft.

Optionally, the connecting plate has a concave structure, and when the telescopic sleeve is in a contracted state, the connecting plate portion is located in the concave structure of the adjacent connecting plate.

Optionally, each connecting plate includes an intermediate plate provided with the first hinge shaft, all the intermediate plates are located on the same plane, and the straight rod is attached to the intermediate plate.

Optionally, each connecting plate further includes two side plates, the two side plates are connected to two ends of the middle plate, and each side plate and the inner sleeve are fixed through at least two bolts.

An automatic charging device comprises a charging gun head and any one of the telescopic arms.

Through above-mentioned scheme, the telescopic boom that this application provided's beneficial effect lies in:

the telescopic arm comprises a telescopic sleeve, a scissor fork mechanism and a connecting plate; the telescopic sleeve comprises at least two sleeves which are sequentially sleeved and distributed, the sleeve is provided with a first avoidance notch, and a connecting plate is fixed on the sleeve; the connecting plate is provided with a second avoidance notch; the scissors fork mechanism comprises at least two connecting rod assemblies, the rear end of the front connecting rod assembly is hinged to the front end of the rear connecting rod assembly in the telescopic direction along the telescopic sleeve, each connecting rod assembly comprises two straight rods connected through a first hinge shaft, and the first hinge shaft is connected with the connecting plate.

When the telescopic scissors fork mechanism is used, the connecting rod assemblies of the scissors fork mechanism rotate relatively, the two straight rods in the same connecting rod assembly also rotate relatively, and the first hinged shaft drives the sleeves to move, so that the sleeves stretch out and draw back. Simultaneously, in each sleeve shrink in-process, first dodge the breach cover outside the connecting plate, install the first articulated shaft on preceding sleeve can stretch into the first breach of dodging on the sleeve of back to and stretch into the second of installing the connecting plate on the sleeve of back and dodge in the breach, first breach of dodging and second dodge the breach and can dodge first articulated shaft, make the interval of each first articulated shaft after the shrink littleer, realize the effect of little volume and big stroke.

In addition, it should be understood that the automatic charging device provided by the present application includes the telescopic arm, and therefore, the automatic charging device provided by the present application also has the above-mentioned advantages.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a telescopic arm according to an embodiment of the present disclosure after being unfolded;

FIG. 2 is a front view of the telescopic arm of FIG. 1 in a first state;

FIG. 3 is a front view of the telescopic arm of FIG. 1 in a second state;

FIG. 4 is a front view of the telescopic arm of FIG. 1 in a third state;

FIG. 5 is a front view of the telescopic arm of FIG. 1 in a fourth state;

FIG. 6 is a schematic expanded structural view of a telescoping sleeve, a connecting plate and a scissors mechanism according to an embodiment of the present disclosure;

FIG. 7 is a schematic diagram of the components of FIG. 6 after they have been collapsed;

FIG. 8 is a front view of the components of FIG. 6 in a first state;

FIG. 9 is a front view of the components of FIG. 6 in a second state;

FIG. 10 is a front view of the components of FIG. 6 in a third condition;

FIG. 11 is a front view of the components of FIG. 6 in a fourth condition;

FIG. 12 is a schematic structural view of the telescoping sleeve and the web when deployed according to an embodiment of the present disclosure;

fig. 13 is a schematic structural view illustrating a half-opened structure of the telescopic sleeve and the connecting plate according to an embodiment of the present disclosure;

FIG. 14 is a front view of the components of FIG. 12 in a first state;

FIG. 15 is a front view of the components of FIG. 12 in a second state;

FIG. 16 is a front view of the components of FIG. 12 in a third condition;

FIG. 17 is a front view of the components of FIG. 12 in a fourth condition;

fig. 18 is a schematic structural diagram of an automatic charging device according to an embodiment of the present disclosure in a retracted state;

fig. 19 is a schematic structural diagram of an automatic charging device according to an embodiment of the present disclosure in an extended state.

The reference numbers in the figures are: the connecting plate 1, the side plate 11, the middle plate 12, the second avoidance gap 121 and the third avoidance gap 122; a sleeve 2, an outer layer sleeve 21 and an inner layer sleeve 22; the scissors fork mechanism 3, the connecting rod assembly 31, the straight rod 311, the first hinge shaft 312 and the second hinge shaft 32; the lance tip 4 is charged.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The application provides a flexible arm can be applied to automatic charging device, also can be applied to other devices, is applied to automatic charging device when this flexible arm, and automatic charging device generally includes rifle head 4 that charges, and the one end of flexible arm is connected in order to drive the rifle head 4 motion that charges with rifle head 4 that charges. Referring to fig. 1 to 19, the telescopic arm provided by the present application includes: telescopic sleeve, connecting plate 1 and scissors fork mechanism 3.

The telescopic sleeve includes two at least sleeves 2, and sleeve 2's cross-section is circular, or rectangle or other shapes, and all sleeves 2 are from inside to outside to establish the distribution in proper order, and outermost sleeve 2 is called outer sleeve 21, and remaining sleeve 2 are called inlayer sleeve 22, and inlayer sleeve 22 and outer sleeve 21 can relative movement, and after all sleeves 2 stretched out, outer sleeve 21, outermost inlayer sleeve 22 distribute from front to back in proper order to the inlayer sleeve 22 of inlayer. The sleeve 2 is provided with a first avoidance notch, and the first avoidance notch extends to the middle part of the sleeve 2 from the front end face of the sleeve 2. The sleeve 2 is fixedly connected with the connecting plate 1.

Inside telescopic sleeve was located to connecting plate 1, and connecting plate 1 can keep unanimous with telescopic quantity, and connecting plate 1 and sleeve 2 one-to-one to corresponding connecting plate 1 and sleeve 2 fixed connection, each connecting plate 1 is fixed with a first articulated shaft 312, and connecting plate 1 is equipped with the second and dodges breach 121, and the second dodges breach 121 and extends to the middle part of connecting plate 1 from the preceding terminal surface of connecting plate 1. In other embodiments, the connection plate 1 may be fixed to only a part of the sleeve 2, and the connection plate 1 may not be fixed to the other part of the sleeve 2.

Inside telescopic tube was located to scissors fork mechanism 3, scissors fork mechanism 3 includes two at least link assembly 31, and on the flexible direction along telescopic tube, each link assembly 31 distributes in proper order after to in the past along the axis of sleeve 2, and the rear end of preceding link assembly 31 is articulated through second articulated shaft 32 with the front end of back link assembly 31. Each link assembly 31 includes two straight rods 311 hinged by a first hinge shaft 312, the two straight rods 311 are distributed crosswise, the two straight rods 311 in the link assembly 31 are distributed in an X shape, and the two straight rods 311 in the first and last link assemblies 31 may be distributed in a V shape. The first hinge shaft 312 is connected to the connection plate 1.

In the process of extending and retracting the scissor fork mechanism 3, the connecting rod assemblies 31 of the scissor fork mechanism 3 rotate relatively around the second hinge shaft 32, the two straight rods 311 in the same connecting rod assembly 31 rotate relatively around the first hinge shaft 312, and the first hinge shaft 312 drives the connecting plate 1 to move, so that the sleeves 2 are driven to move, and the extension and retraction of the extension sleeve are realized.

Meanwhile, after the telescopic sleeve is contracted, the first avoidance notch of the sleeve 2 is sleeved outside the connecting plate 1; the first hinge shaft 312 fixed to the front sleeve 2 is located in the first escape notch of the rear sleeve 2 and in the second escape notch 121 of the connection plate 1 mounted to the rear sleeve 2. Therefore, the distance between the first hinge shafts 312 after being contracted is smaller, and the effect of small volume and large stroke of the telescopic arm is realized.

It can be understood that, since the first hinge shaft 312 fixed to the previous connecting plate 1 is located in the second avoiding notch 121 of the next connecting plate 1 after the sleeve 2 is completely contracted, the rear end of the previous connecting plate 1 also extends into the second avoiding notch 121 of the next connecting plate 1, and therefore the sizes of the connecting plates 1 are different, and the sizes of the connecting plates 1 are gradually reduced from back to front. In the process of shrinking, the connecting plate 1 with a large size swallows the connecting plate 1 with a small size, and the final alignment effect is achieved.

Further, in one embodiment, each inner sleeve 22 is provided with a first avoiding gap, each inner sleeve 22 is fixed with a connecting plate 1, and each connecting plate 1 is connected with a corresponding first hinge shaft 312. In the telescopic process, each sleeve 2 can move under the control of the scissor fork mechanism 3, and the moving process of the sleeves 2 is more stable.

It is understood that in other embodiments, only a portion of the sleeve 2 may be connected to the first hinge shaft 312, and another portion of the sleeve 2 may not be connected to the first hinge shaft 312. For example, only the outer sleeve 21 and the innermost inner sleeve 22 may be connected to the first hinge shaft 312, and accordingly, a limiting structure for preventing the adjacent sleeves 2 from being separated from each other is provided between the adjacent sleeves 2, and when the scissors fork mechanism 3 extends and contracts, the innermost inner sleeve 22 drives the adjacent sleeve 2 to move through the limiting structure.

Further, in one embodiment, in order to achieve the automatic telescoping effect, the telescopic arm further comprises a driving mechanism, and the driving mechanism is connected with the scissors and fork mechanism 3 and controls the scissors and fork mechanism 3 to telescope. The drive mechanism may specifically employ a motor. In practical applications, the motor may be disposed outside the scissors and fork mechanism 3, and the motor is connected to the second hinge shaft 32 between the two link assemblies 31, and controls the second hinge shaft 32 to rotate around the middle hinge shaft of the link assemblies 31, so as to form the second hinge shaft 32 to move in the telescopic direction of the link assemblies 31, and thus control the scissors and fork mechanism 3 to telescope.

Further, in one embodiment, the inner sleeve 22 is three in number. It will be appreciated that other numbers of inner sleeves 22 are possible.

Further, in one embodiment, the connection plate 1 has a concave structure, that is, there is a receiving gap between the connection plate 1 and the inner side wall of the sleeve 2, the receiving gap provides a receiving space for the adjacent connection plate 1, and when the telescopic sleeve is in the contracted state, the connection plate 1 is partially located in the concave structure of the adjacent connection plate 1, so that the connection plate 1 is more compact after being contracted.

Further, in one embodiment, each connecting plate 1 includes a middle plate 12, the first hinge shaft 312 is disposed on the middle plate 12, and all the middle plates 12 are located on the same plane, and the straight rod 311 is disposed to be attached to the middle plate 12. Specifically, when the scissors fork mechanism 3 is installed, the first hinge shaft 312 may be pressed against the middle plate 12 by a bolt, the middle plate 121 limits the scissors fork mechanism 3, and the scissors fork mechanism 3 is fixed on a plane, so as to prevent the scissors fork mechanism 3 from deforming beyond extension, for example, prevent the scissors fork mechanism 3 from deforming perpendicular to the plane where the middle plate 121 is located.

Further, in an embodiment, the connecting plate 1 includes a side plate 11 and an intermediate plate 12, a step surface is provided between the side plate 11 and the intermediate plate 12, the side plate 11 is attached and fixed to the inner sleeve 22, an accommodating gap is provided between the intermediate plate 12 and the inner side wall of the sleeve 2, and the second avoiding gap 121 is specifically provided on the intermediate plate 12. And, the thickness of the side plate 11 of the previous connecting plate 1 is smaller than the thickness of the accommodation gap of the intermediate plate 12 of the next connecting plate 1, with this structure, when all the sleeves 2 are contracted, the side plate 11 of the previous connecting plate 1 is positioned in the accommodation gap of the next connecting plate 1, the intermediate plate 12 of the previous connecting plate 1 is positioned in the second avoidance notch 121 of the next connecting plate 1, and the intermediate plate 12 of the next connecting plate 1 can limit the side plate 11 of the previous connecting plate 1.

Further, in one embodiment, one connecting plate 1 includes two side plates 11, and in the same connecting plate 1, two side plates 11 are located at two opposite ends of the middle plate 12, and both side plates 11 are fixed with the inner sleeve 22, so as to improve the firmness of fixing the connecting plate 1 and the inner sleeve 22.

Further, in one embodiment, each side plate 11 is fixedly connected with the corresponding inner sleeve 22 through at least two bolts, and the bolts are simply and conveniently fixed and firmly connected.

Further, in an embodiment, the middle plate 12 is provided with a third avoidance gap 122, the third avoidance gap 122 is used for avoiding the middle plate 12 of the rear connecting plate 1, the third avoidance gap 122 extends from the rear end surface of the middle plate 12 to the middle of the middle plate 12, and the third avoidance gap 122 and the second avoidance gap 121 are distributed at two opposite ends of the middle plate 12. After the sleeve 2 is completely contracted, the front end of the middle plate 12 of the rear connecting plate 1 extends into the third avoiding notch 122 of the front connecting plate 1, and the third avoiding notch 122 further shortens the distance between the adjacent first hinge shafts 312, so that the telescopic sleeve is more compact after being contracted.

The application still provides an automatic charging device, and this automatic charging device is including the flexible arm of rifle head 4 and the above-mentioned arbitrary one of charging, and sleeve 2 or scissors fork mechanism 3 in the flexible arm are connected with rifle head 4 that charges. The automatic charging device has the same beneficial effects as the telescopic arm. For the structure of other parts of the automatic charging device, please refer to the prior art, which is not described herein.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The telescopic arm and the automatic charging device with the telescopic arm provided by the application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims (7)

1. A telescopic arm, characterized in that it comprises:

the telescopic sleeve comprises at least two sleeves (2) which are sequentially sleeved and distributed; the sleeve (2) is provided with a first avoidance notch, and the sleeve (2) is fixedly provided with a connecting plate (1);

the connecting plate (1) is provided with a second avoidance notch (121);

the scissors and fork mechanism (3) comprises at least two connecting rod assemblies (31), the rear end of the former connecting rod assembly (31) is hinged with the front end of the latter connecting rod assembly (31) along the telescopic direction of the sleeve (2), each connecting rod assembly (31) comprises two straight rods (311) connected through a first hinged shaft (312), and the first hinged shaft (312) is connected with the connecting plate (1);

when the telescopic sleeve is in a contracted state, the first avoidance notch is sleeved outside the connecting plate (1), and the first hinge shaft (312) is positioned in a second avoidance notch (121) adjacent to the connecting plate (1).

2. The telescopic arm according to claim 1, further comprising a motor connected to the scissor mechanism (3) and controlling the extension and retraction of the scissor mechanism (3).

3. A telescopic arm according to any of claims 1 to 2, characterized in that said telescopic sleeve comprises an outermost outer sleeve (21) and an inner sleeve (22) nested inside it; each inner sleeve (22) is provided with a first avoidance notch, each inner sleeve (22) is fixed with the connecting plate (1), and each connecting plate (1) is connected with the corresponding first hinge shaft (312).

4. A telescopic arm according to claim 3, characterised in that the connecting plate (1) has a concave structure, the connecting plate (1) being partly located in its concave structure adjacent to the connecting plate (1) when the telescopic sleeve is in the contracted state.

5. Telescopic arm according to claim 4, wherein each of said connection plates (1) comprises an intermediate plate (12) provided with said first articulation axis (312), all said intermediate plates (12) lying in the same plane, said straight bar (311) being arranged in abutment with said intermediate plate (12).

6. The telescopic arm according to claim 5, characterized in that each of said connecting plates (1) further comprises two side plates (11), said two side plates (11) connecting the two ends of said intermediate plate (12), each of said side plates (11) being fixed to said inner sleeve (22) by at least two bolts.

7. An automatic charging apparatus comprising a charging lance head (4), and further comprising a telescopic arm as claimed in any one of claims 1 to 6.

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