CN214492566U - 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 guide mechanism, a telescopic sleeve and a scissor fork mechanism; the guide mechanism comprises at least one group of guide assemblies, and each guide assembly comprises a guide rail and a sliding block which are in sliding fit; the telescopic sleeves comprise at least two sleeves which are sleeved and distributed, and two adjacent sleeves are connected in a sliding manner through a guide assembly; 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 sleeve, each connecting rod assembly comprises two straight rods connected through a first hinge shaft, and the scissors fork mechanism is connected with the sleeve through a first hinge shaft. The telescopic arm provided by the application realizes multi-stage telescopic by utilizing the scissor fork mechanism, and realizes the effects of small volume and large stroke; meanwhile, the guide rail and the sliding block play a role in guiding and supporting the sleeve, and the moving stability of the sleeve is improved.

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, the shell is generally made of sheet metal parts, the specification of the shell is fixed after the shell is machined, and the whole occupied size of the automatic charging device is large.

In summary, those skilled in the art need to solve the above-mentioned problems how to provide a retractable housing to achieve miniaturization of an automatic charging device and to ensure stability of the housing during the retractable process.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present application is to provide a telescopic arm, which utilizes a telescopic sleeve and a scissor fork mechanism to achieve telescopic operation, and occupies a small volume after being contracted; and the long-term stable long-distance extension and retraction of the telescopic sleeve are realized by arranging the guide mechanism. 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:

the utility model provides a flexible arm for automatic charging device, automatic charging device are including the rifle head that charges, the one end of flexible arm is connected with the rifle head that charges to the drive rifle head motion that charges, its characterized in that includes:

the guide mechanism comprises at least one group of guide assemblies, and each guide assembly comprises a guide rail and a sliding block which are in sliding fit;

the telescopic sleeves comprise at least two sleeves which are sequentially sleeved and distributed, and every two adjacent sleeves are connected in a sliding manner through a group of guide assemblies;

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

the charging gun head is connected with the guide mechanism, the sleeve or the scissors fork mechanism.

Optionally, the sleeve on the innermost layer is slidably connected with the charging gun head through a group of guide assemblies, and the first hinge shaft in the last connecting rod assembly is fixedly connected with the charging gun head.

Optionally, each sleeve is connected with the corresponding first hinge shaft.

Optionally, the sleeve has a first side plate and a second side plate which are oppositely distributed, the scissors fork mechanism is connected with the first side plate, and the guide assembly is connected with the second side plate.

Optionally, each set of the guide assemblies includes two parallel guide rails.

Optionally, the second side plate of the innermost sleeve includes two support plates and an intermediate plate located between the two support plates, the first side plate of the innermost sleeve is an innermost first side plate, a distance from the intermediate plate to the innermost first side plate is greater than a distance from the support plate to the innermost first side plate, and the guide assembly for connecting the charging gun head is fixed to the support plates.

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

Optionally, in the same sleeve, the first side plate is located right above the second side plate.

Optionally, in the guide rail and the slider which are in sliding fit, the guide rail is fixed to the inner side wall of the outer sleeve, and the slider is fixed to the outer side wall of the inner sleeve.

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 application provides a flexible arm is used for automatic charging device, and automatic charging device is connected in order to drive the rifle head motion that charges including the rifle head that charges, the one end of flexible arm, and this flexible arm includes guiding mechanism, sleeve and scissors fork mechanism. Wherein, the number of the sleeves is at least two, and all the sleeves are sequentially sleeved and distributed from inside to outside; two adjacent sleeves are connected with a sliding block through a guide rail in sliding fit; 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, each connecting rod assembly comprises two straight rods connected through a first hinge shaft, and the scissors fork mechanism is connected with the sleeve through a first hinge shaft.

When the automatic charging device is used, the connecting rod assemblies of the scissor fork mechanism rotate relatively, the two straight rods in the same connecting rod assembly also rotate relatively, the first hinged shaft between the two straight rods drives the sleeves to move, the sleeves stretch out and draw back, and the size occupied by the automatic charging device is reduced due to the telescopic structure. Meanwhile, in the moving process of the sleeve, the guide rail and the sliding block play a role in guiding and supporting the sleeve, and the moving stability of the sleeve is improved.

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 diagram of a first viewing angle after a telescopic boom is unfolded according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a second viewing angle after the telescopic arm is unfolded according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of an inside of a telescopic arm provided in an embodiment of the present application after being unfolded;

fig. 4 is a schematic structural view of a telescopic arm according to an embodiment of the present disclosure when the telescopic arm is semi-contracted;

fig. 5 is a schematic structural diagram of a first viewing angle after a telescopic arm provided in the embodiment of the present application is retracted;

fig. 6 is a schematic structural diagram of a second viewing angle after the telescopic arm is retracted according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of a sleeve and scissors mechanism according to an embodiment of the present disclosure;

FIG. 8 is a front view of a sleeve engaged with a scissors fork mechanism according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of an automatic charging device according to an embodiment of the present disclosure in a retracted state;

fig. 10 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 guide assembly 1, the guide rail 11 and the slide block 12; the sleeve 2, the first side plate 21, the second side plate 22, the support plate 221, and the intermediate plate 222; 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 is applied to automatic charging device, and automatic charging device is connected with rifle head 4 that charges including rifle head 4 that charges, the one end of flexible arm to the drive rifle head 4 that charges moves. Referring to fig. 1 to 10, the telescopic arm specifically includes a guiding mechanism, a telescopic sleeve, and a scissors mechanism 3.

The guide mechanism comprises at least one group of guide assemblies 1, each group of guide assemblies 1 specifically comprises a plurality of guide rails 11 and sliders 12 matched with the guide rails 11, and the guide rails 11 are distributed in parallel.

The telescopic sleeve comprises at least two sleeves 2, the cross section of each sleeve 2 is circular, rectangular or other shapes, and the telescopic direction of each telescopic sleeve is parallel to the extending direction of the guide rail 11. All the sleeves 2 are sequentially sleeved from inside to outside to be distributed, and sequentially sleeved from outside to inside are a first-stage sleeve, a second-stage sleeve and a third-stage sleeve, and the rest is done by analogy, and the innermost sleeve 2 is a last-stage barrel. The two adjacent sleeves 2 are connected in a sliding manner through a group of guide assemblies 1, namely, one of the two adjacent sleeves 2 is fixedly connected with the guide rail 11, and the other one of the two adjacent sleeves is fixedly connected with the sliding block 12; preferably, the guide rail 11 is fixed on the inner side wall of the sleeve 2 at the outer layer, and the slide block 12 is fixed on the outer side wall of the sleeve 2 at the inner layer in the guide rail 11 and the slide block 12 which are matched in a sliding way. After all the sleeves 2 extend out, the first-stage sleeve, the second-stage sleeve and the last-stage cylinder are sequentially distributed from front to back.

The scissors fork mechanism 3 includes at least two link assemblies 31, each link assembly 31 is distributed in sequence along the extending direction of the guide rail 11, each link assembly 31 includes two straight rods 311 hinged through a first hinge shaft 312, the two straight rods 311 are distributed in a cross manner, the two straight rods 311 in the link assembly 31 are distributed in an X-shape, the two straight rods 311 in the first and last link assemblies 31 can be distributed in a V-shape, and the rear end of the front link assembly 31 is hinged to the front end of the rear link assembly 31 through a second hinge shaft 32. The scissors mechanism 3 is connected to the sleeve 2 through a first hinge shaft 312.

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 sleeves 2 to move, so that the sleeves 2 extend and retract. The telescopic arm realizes multi-stage telescopic by using the scissor fork mechanism 3, thereby realizing the effect of small body and large stroke. Meanwhile, in the moving process of the sleeve 2, the guide rail 11 and the sliding block 12 play a role in guiding and supporting the sleeve 2, and the moving stability of the sleeve 2 is improved.

Further, in one embodiment, the innermost sleeve 2 is slidably connected to the charging gun head through a set of guide assemblies 1, and the first hinge shaft 312 of the last connecting rod assembly 31 is fixedly connected to the charging gun head. In this embodiment, the charging gun head 4 and the innermost sleeve 2 can be extended and retracted, so that the extension and retraction stroke of the automatic charging device is further increased.

Further, in one embodiment, each sleeve 2 is connected with a corresponding first hinge shaft 312, and each sleeve 2 can move under the control of the scissor fork mechanism 3 during the telescoping process, so that the moving process of the sleeve 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, the first hinge shaft 312 can be connected to only the first-stage sleeve and the last-stage barrel, and correspondingly, a limiting structure for preventing mutual separation is arranged between the adjacent sleeves 2, and when the scissors fork mechanism 3 stretches, the last-stage barrel drives the adjacent sleeves 2 to move through the limiting structure.

Further, in one embodiment, the sleeve 2 has a first side plate 21 and a second side plate 22 which are distributed oppositely, the scissors mechanism 3 is arranged on the first side plate 21 of the sleeve 2, and the guiding mechanism is arranged on the second side plate 22 of the sleeve 2. Specifically, guiding mechanism and scissors fork mechanism 3 distribute in the inside marginal zone of sleeve 2 for the regional space in middle part of sleeve 2 is bigger, more conveniently arranges charging gun head 4.

Further, in one embodiment, the first side plate 21 is located directly above the second side plate 22 in the same sleeve 2. Specifically, the telescopic sleeve is horizontally arranged at the moment, and the telescopic direction of the telescopic sleeve is the horizontal direction. Compare in the mode of the vertical setting of telescope tube, adopt this kind of structure, guiding mechanism can support each sleeve 2, is favorable to sleeve 2 to stably remove.

Further, in one embodiment, each set of guide assemblies 1 comprises two parallel guide rails 11. Specifically, compared with the case that a single guide rail 11 is arranged between two adjacent sleeves 2, two guide rails 11 are arranged between two adjacent sleeves 2, so that the guiding effect and the supporting effect of the guiding mechanism can be further improved.

Further, in one embodiment, the second side plate 22 of the innermost sleeve 2 includes an intermediate plate 222 and two support plates 221, the intermediate plate 222 is located between the two support plates 221, the intermediate plate 222 and the support plates 221 are distributed in a step shape, the first side plate 21 of the innermost sleeve 2 is an innermost first side plate, and a distance from the intermediate plate 222 to the innermost first side plate is greater than a distance from the support plates 221 to the innermost first side plate; for example, when the telescopic sleeves are horizontally placed, the middle plate 222 of the innermost sleeve 2 is lower than the support plate 221 of the innermost sleeve 2. Accordingly, the guide assembly 1 connected to the charging gun head 4 is fixed to the support plate 221. Specifically, in the installation cavity of the inside of the innermost sleeve 2, the supporting plate 221 and the guide rail 11 correspond to corner regions of the installation cavity, and the middle plate 222 corresponds to a middle region of the installation cavity.

Further, in one embodiment, the guide rail 11 and the slider 12 are installed in the same support plate 221, and the guide rail 11 is located right above the slider 12. By adopting the structure, the guide rails 11 on the sleeves 2 are stacked from top to bottom, the structure is more compact, and the occupied space is smaller.

Further, in one embodiment, the number of the sleeves 2 is four. It will be appreciated that other numbers of sleeves 2 are possible.

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 move linearly, so as to control the scissors and fork mechanism 3 to extend and retract.

The application still provides an automatic charging device, and this automatic charging device is including rifle head 4 and the flexible arm of any of the above-mentioned, and at least one in guiding mechanism, sleeve 2, the scissors fork mechanism 3 among the flexible arm is 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 (10)

1. The utility model provides a flexible arm for automatic charging device, automatic charging device are including rifle head (4) that charge, the one end of flexible arm is connected with rifle head (4) that charges to the drive rifle head (4) that charges moves, its characterized in that includes:

the guide mechanism comprises at least one group of guide assemblies (1), wherein each guide assembly (1) comprises a guide rail (11) and a sliding block (12) which are in sliding fit;

the telescopic sleeves comprise at least two sleeves (2) which are sequentially sleeved and distributed, and every two adjacent sleeves (2) are connected in a sliding manner through one group of guide assemblies (1);

the scissors and fork mechanism (3) comprises at least two groups of connecting rod assemblies (31), the rear end of the connecting rod assembly (31) at the front end is hinged to the rear end of the 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 hinge shaft (312), and the scissors and fork mechanism (3) is connected with the sleeve (2) through the first hinge shaft (312);

the charging gun head (4) is connected with the guide mechanism, the sleeve (2) or the scissors fork mechanism (3).

2. Telescopic arm according to claim 1, wherein the innermost sleeve (2) is slidingly connected to the charging torch head (4) through a set of said guiding assemblies (1), and the first articulation axis (312) of the last said connecting-rod assembly (31) is fixedly connected to the charging torch head (4).

3. Telescopic arm according to claim 1, wherein each said sleeve (2) is associated with a corresponding said first articulation axis (312).

4. A telescopic arm according to any of claims 1 to 3, wherein the sleeve (2) has a first side plate (21) and a second side plate (22) which are oppositely arranged, the scissor mechanism (3) being connected to the first side plate (21) and the guide assembly (1) being connected to the second side plate (22).

5. Telescopic arm according to claim 4, wherein each set of guide assemblies (1) comprises two parallel guide rails (11).

6. A telescopic arm according to claim 5, wherein the second side plate (22) of the innermost sleeve (2) comprises two support plates (221) and an intermediate plate (222) located between the two support plates (221), the first side plate (21) of the innermost sleeve (2) being the innermost first side plate, the distance from the intermediate plate (222) to the innermost first side plate being greater than the distance from the support plates (221) to the innermost first side plate, the guide assembly (1) for connecting a charging lance tip (4) being fixed to the support plates (221).

7. The telescopic arm according to claim 6, further comprising a motor connected to the scissor mechanism (3) and controlling the extension and retraction of the scissor mechanism (3).

8. Telescopic arm according to claim 4, wherein the first side plate (21) is located directly above the second side plate (22) in the same sleeve (2).

9. Telescopic arm according to claim 8, wherein the sliding fit of the guide rail (11) and the slider (12) is such that the guide rail (11) is fixed to the inner side wall of the outer sleeve (2) and the slider (12) is fixed to the outer side wall of the inner sleeve (2).

10. 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 9.

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